Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects List

Class 11 Mathematics Easy Quiz

Level 24 • 50/50 questions • 40 seconds per question.

Level readiness 50/50 Questions
Time Left 33:20 40 sec/question
RewardsCoins + XP
ModeClassic Quiz
Share
Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 33:20

यदि \(A=\{1,4\}\) और \(B=\{2,5\}\) हैं, तो \(A\times B\) का सही रूप कौन सा है?

If \(A=\{1,4\}\) and \(B=\{2,5\}\), which is the correct form of \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. ({(1,2),(1,5),(4,2),(4,5)})

Step 1

Concept

In \(A\times B\), the first component comes from (A) and the second from (B). The full list must have \(2\times 2=4\) ordered pairs.

Step 2

Why this answer is correct

The correct answer is A. ({(1,2),(1,5),(4,2),(4,5)}). In \(A\times B\), the first component comes from (A) and the second from (B). The full list must have \(2\times 2=4\) ordered pairs.

Step 3

Exam Tip

\(A\times B\) में पहला घटक (A) से और दूसरा घटक (B) से आता है। पूरी सूची में \(2\times 2=4\) क्रमित युग्म होने चाहिए।

Open Question Page
Ask Friends

यदि \(P=\{3,6,9\}\) और \(Q=\{0,1\}\) हैं, तो (n\(P\times Q\)) कितना होगा?

If \(P=\{3,6,9\}\) and \(Q=\{0,1\}\), what is (n\(P\times Q\))?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

(n\(P\times Q\)=n(P)n(Q)=3\times 2=6). To find the number in Cartesian product, multiply.

Step 2

Why this answer is correct

The correct answer is C. (6). (n\(P\times Q\)=n(P)n(Q)=3\times 2=6). To find the number in Cartesian product, multiply.

Step 3

Exam Tip

(n\(P\times Q\)=n(P)n(Q)=3\times 2=6)। कार्तीय गुणन में संख्या निकालने के लिए गुणा करें।

Open Question Page
Ask Friends

यदि \(A=\{8\}\) और \(B=\{1,3,5\}\) हैं, तो \(A\times B\) कौन सा है?

If \(A=\{8\}\) and \(B=\{1,3,5\}\), which is \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. ({(8,1),(8,3),(8,5)})

Step 1

Concept

(8) stays in the first position and elements of (B) come in the second position. Order does not change even with a singleton set.

Step 2

Why this answer is correct

The correct answer is A. ({(8,1),(8,3),(8,5)}). (8) stays in the first position and elements of (B) come in the second position. Order does not change even with a singleton set.

Step 3

Exam Tip

(8) पहले स्थान पर रहेगा और (B) के तत्व दूसरे स्थान पर आएंगे। एकल समुच्चय होने पर भी क्रम नहीं बदलता।

Open Question Page
Ask Friends

यदि \(X=\{2,7\}\) और \(Y=\{4,8\}\) हैं, तो कौन सा युग्म \(X\times Y\) में है?

If \(X=\{2,7\}\) and \(Y=\{4,8\}\), which pair is in \(X\times Y\)?

Explanation opens after your attempt
Correct Answer

B. ((7,8))

Step 1

Concept

In ((7,8)), \(7\in X\) and \(8\in Y\), so it is correct. In membership, check the correct position of both components.

Step 2

Why this answer is correct

The correct answer is B. ((7,8)). In ((7,8)), \(7\in X\) and \(8\in Y\), so it is correct. In membership, check the correct position of both components.

Step 3

Exam Tip

((7,8)) में \(7\in X\) और \(8\in Y\), इसलिए यह सही है। सदस्यता में दोनों घटकों की सही स्थिति देखें।

Open Question Page
Ask Friends

यदि \((r,s)\in A\times B\) है, तो (s) किस समुच्चय से होना चाहिए?

If \((r,s)\in A\times B\), from which set must (s) come?

Explanation opens after your attempt
Correct Answer

B. (B)

Step 1

Concept

In \(A\times B\), the second component always comes from (B). In exams, match the second position with the second set.

Step 2

Why this answer is correct

The correct answer is B. (B). In \(A\times B\), the second component always comes from (B). In exams, match the second position with the second set.

Step 3

Exam Tip

\(A\times B\) में दूसरा घटक हमेशा (B) से आता है। परीक्षा में दूसरे स्थान को दूसरे समुच्चय से मिलाएं।

Open Question Page
Ask Friends

यदि \(R=\varnothing\) और \(S=\{5,10\}\) हैं, तो \(R\times S\) क्या होगा?

If \(R=\varnothing\) and \(S=\{5,10\}\), what is \(R\times S\)?

Explanation opens after your attempt
Correct Answer

A. \(\varnothing\)

Step 1

Concept

There is no element in (R) for the first component, so no pair is formed. Cartesian product with an empty set is empty.

Step 2

Why this answer is correct

The correct answer is A. \(\varnothing\). There is no element in (R) for the first component, so no pair is formed. Cartesian product with an empty set is empty.

Step 3

Exam Tip

पहले घटक के लिए (R) में कोई तत्व नहीं है, इसलिए कोई युग्म नहीं बनेगा। खाली समुच्चय के साथ कार्तीय गुणन खाली होता है।

Open Question Page
Ask Friends

यदि (n(A)=7) और (n(B)=3) है, तो (n\(A\times B\)) कितना होगा?

If (n(A)=7) and (n(B)=3), what is (n\(A\times B\))?

Explanation opens after your attempt
Correct Answer

B. (21)

Step 1

Concept

For finite sets, (n\(A\times B\)=n(A)n(B)). Therefore, \(7\times 3=21\).

Step 2

Why this answer is correct

The correct answer is B. (21). For finite sets, (n\(A\times B\)=n(A)n(B)). Therefore, \(7\times 3=21\).

Step 3

Exam Tip

सीमित समुच्चयों के लिए (n\(A\times B\)=n(A)n(B))। इसलिए \(7\times 3=21\)।

Open Question Page
Ask Friends

यदि \(A=\{m,n\}\) और \(B=\{p,q,r\}\) हैं, तो (n\(B\times A\)) कितना है?

If \(A=\{m,n\}\) and \(B=\{p,q,r\}\), what is (n\(B\times A\))?

Explanation opens after your attempt
Correct Answer

D. (6)

Step 1

Concept

(B) has (3) elements and (A) has (2) elements, so \(3\times 2=6\). Reversing order changes the pairs, not the count.

Step 2

Why this answer is correct

The correct answer is D. (6). (B) has (3) elements and (A) has (2) elements, so \(3\times 2=6\). Reversing order changes the pairs, not the count.

Step 3

Exam Tip

(B) में (3) और (A) में (2) तत्व हैं, इसलिए \(3\times 2=6\)। क्रम बदलने से संख्या नहीं, केवल युग्मों का क्रम बदलता है।

Open Question Page
Ask Friends

\(A\times B\) की परिभाषा के लिए सही कथन कौन सा है?

Which statement is correct for the definition of \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. \({(x,y):x\in A,\ y\in B}\)

Step 1

Concept

The definition uses the ordered pair ((x,y)), where \(x\in A\) and \(y\in B\). This formula is useful in every listing question.

Step 2

Why this answer is correct

The correct answer is A. \({(x,y):x\in A,\ y\in B}\). The definition uses the ordered pair ((x,y)), where \(x\in A\) and \(y\in B\). This formula is useful in every listing question.

Step 3

Exam Tip

परिभाषा में क्रमित युग्म ((x,y)) होता है, जहां \(x\in A\) और \(y\in B\)। यह सूत्र हर सूचीकरण प्रश्न में उपयोगी है।

Open Question Page
Ask Friends

यदि ((a,12)=(9,b)) है, तो (a) और (b) के मान क्या होंगे?

If ((a,12)=(9,b)), what are the values of (a) and (b)?

Explanation opens after your attempt
Correct Answer

B. (a=9,\ b=12)

Step 1

Concept

In equality of ordered pairs, components in the same positions are equal. Hence (a=9) and (b=12).

Step 2

Why this answer is correct

The correct answer is B. (a=9,\ b=12). In equality of ordered pairs, components in the same positions are equal. Hence (a=9) and (b=12).

Step 3

Exam Tip

क्रमित युग्मों की समानता में समान स्थानों के घटक बराबर होते हैं। इसलिए (a=9) और (b=12)।

Open Question Page
Ask Friends

यदि \(A=\{11,22\}\) और \(B=\{33,44,55,66\}\) हैं, तो \(A\times B\) में कितने युग्म होंगे?

If \(A=\{11,22\}\) and \(B=\{33,44,55,66\}\), how many pairs are in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

(A) has (2) elements and (B) has (4) elements, so \(2\times 4=8\). Counting elements first is the safest method.

Step 2

Why this answer is correct

The correct answer is C. (8). (A) has (2) elements and (B) has (4) elements, so \(2\times 4=8\). Counting elements first is the safest method.

Step 3

Exam Tip

(A) में (2) और (B) में (4) तत्व हैं, इसलिए \(2\times 4=8\)। पहले तत्व गिनना सबसे सुरक्षित तरीका है।

Open Question Page
Ask Friends

यदि \(A=\{5,6\}\) और \(B=\{6,5\}\) हैं, तो कौन सा कथन सही है?

If \(A=\{5,6\}\) and \(B=\{6,5\}\), which statement is correct?

Explanation opens after your attempt
Correct Answer

A. (A=B)

Step 1

Concept

The order of elements in a set is not important, so (A=B). Remember that order in a set and order in an ordered pair are different ideas.

Step 2

Why this answer is correct

The correct answer is A. (A=B). The order of elements in a set is not important, so (A=B). Remember that order in a set and order in an ordered pair are different ideas.

Step 3

Exam Tip

समुच्चय में तत्वों का क्रम महत्वपूर्ण नहीं होता, इसलिए (A=B)। ध्यान रखें कि समुच्चय का क्रम और क्रमित युग्म का क्रम अलग बातें हैं।

Open Question Page
Ask Friends

यदि \(A=\{3,5,7\}\) और \(B=\{2,6\}\) हैं, तो कौन सा युग्म \(A\times B\) में नहीं है?

If \(A=\{3,5,7\}\) and \(B=\{2,6\}\), which pair is not in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

D. ((6,3))

Step 1

Concept

In ((6,3)), the first component is (6), but \(6\notin A\). To identify the wrong option, start by checking the first component.

Step 2

Why this answer is correct

The correct answer is D. ((6,3)). In ((6,3)), the first component is (6), but \(6\notin A\). To identify the wrong option, start by checking the first component.

Step 3

Exam Tip

((6,3)) में पहला घटक (6) है, लेकिन \(6\notin A\)। गलत विकल्प पहचानने के लिए पहले घटक से जांच शुरू करें।

Open Question Page
Ask Friends

यदि (n\(A\times B\)=24) और (n(A)=6) है, तो (n(B)) कितना होगा?

If (n\(A\times B\)=24) and (n(A)=6), what is (n(B))?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

\(24=6\times n(B)\), so (n(B)=4). For an unknown count, divide total pairs by the known count.

Step 2

Why this answer is correct

The correct answer is B. (4). \(24=6\times n(B)\), so (n(B)=4). For an unknown count, divide total pairs by the known count.

Step 3

Exam Tip

\(24=6\times n(B)\), इसलिए (n(B)=4)। अज्ञात संख्या के लिए कुल युग्मों को ज्ञात संख्या से भाग दें।

Open Question Page
Ask Friends

यदि \(A=\{0,2,4\}\) और \(B=\varnothing\) हैं, तो (n\(A\times B\)) कितना है?

If \(A=\{0,2,4\}\) and \(B=\varnothing\), what is (n\(A\times B\))?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

(B) is empty, so no second component is available and no pair is formed. Since count is asked, write (0).

Step 2

Why this answer is correct

The correct answer is A. (0). (B) is empty, so no second component is available and no pair is formed. Since count is asked, write (0).

Step 3

Exam Tip

(B) खाली है, इसलिए कोई दूसरा घटक नहीं मिलेगा और कोई युग्म नहीं बनेगा। संख्या पूछी गई है, इसलिए (0) लिखें।

Open Question Page
Ask Friends

यदि \(C=\{2,3,5\}\) है, तो \(C\times C\) में कितने तत्व होंगे?

If \(C=\{2,3,5\}\), how many elements are in \(C\times C\)?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

(n(C)=3), so (n\(C\times C\)=3\times 3=9). The multiplication rule applies even with the same set.

Step 2

Why this answer is correct

The correct answer is C. (9). (n(C)=3), so (n\(C\times C\)=3\times 3=9). The multiplication rule applies even with the same set.

Step 3

Exam Tip

(n(C)=3), इसलिए (n\(C\times C\)=3\times 3=9)। समान समुच्चय के साथ भी गुणा नियम लागू रहता है।

Open Question Page
Ask Friends

यदि \(A\times B=\varnothing\) और \(A=\{1\}\) है, तो (B) क्या होगा?

If \(A\times B=\varnothing\) and \(A=\{1\}\), what is (B)?

Explanation opens after your attempt
Correct Answer

A. \(B=\varnothing\)

Step 1

Concept

(A) is not empty and still the product is empty, so (B) must be empty. In an empty product, at least one set is empty.

Step 2

Why this answer is correct

The correct answer is A. \(B=\varnothing\). (A) is not empty and still the product is empty, so (B) must be empty. In an empty product, at least one set is empty.

Step 3

Exam Tip

(A) खाली नहीं है, फिर भी गुणन खाली है, इसलिए (B) खाली होना चाहिए। खाली गुणन में कम से कम एक समुच्चय खाली होता है।

Open Question Page
Ask Friends

यदि \((x,y)\in {9,10}\times{4}\) है, तो (y) का मान क्या होगा?

If \((x,y)\in {9,10}\times{4}\), what is the value of (y)?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

The second component comes from the second set ({4}), so (y=4). Find the answer by checking the component position.

Step 2

Why this answer is correct

The correct answer is C. (4). The second component comes from the second set ({4}), so (y=4). Find the answer by checking the component position.

Step 3

Exam Tip

दूसरा घटक दूसरे समुच्चय ({4}) से आता है, इसलिए (y=4)। घटक की स्थिति देखकर उत्तर निकालें।

Open Question Page
Ask Friends

यदि \((x,y)\in {12}\times{1,2,3}\) है, तो (x) का मान क्या होगा?

If \((x,y)\in {12}\times{1,2,3}\), what is the value of (x)?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

The first component comes from the first set ({12}), so (x=12). Match the first position with the first set.

Step 2

Why this answer is correct

The correct answer is A. (12). The first component comes from the first set ({12}), so (x=12). Match the first position with the first set.

Step 3

Exam Tip

पहला घटक पहले समुच्चय ({12}) से आता है, इसलिए (x=12)। पहले स्थान को पहले समुच्चय से मिलाएं।

Open Question Page
Ask Friends

यदि \(A=\{2,4,8\}\) और \(B=\{1,7\}\) हैं, तो \(A\times B\) में पहले घटक (4) वाले कितने युग्म होंगे?

If \(A=\{2,4,8\}\) and \(B=\{1,7\}\), how many pairs in \(A\times B\) have first component (4)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The first component (4) is fixed and the second component comes from the (2) elements of (B). With a fixed first component, the count is (n(B)).

Step 2

Why this answer is correct

The correct answer is B. (2). The first component (4) is fixed and the second component comes from the (2) elements of (B). With a fixed first component, the count is (n(B)).

Step 3

Exam Tip

पहला घटक (4) निश्चित है और दूसरा घटक (B) के (2) तत्वों में से आएगा। निश्चित पहले घटक पर संख्या (n(B)) होती है।

Open Question Page
Ask Friends

यदि \(A=\{1,5\}\) और \(B=\{0,2,4\}\) हैं, तो \(A\times B\) में दूसरे घटक (2) वाले कितने युग्म होंगे?

If \(A=\{1,5\}\) and \(B=\{0,2,4\}\), how many pairs in \(A\times B\) have second component (2)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The second component (2) is fixed and the first component can be any of the (2) elements of (A). With a fixed second component, the count is (n(A)).

Step 2

Why this answer is correct

The correct answer is B. (2). The second component (2) is fixed and the first component can be any of the (2) elements of (A). With a fixed second component, the count is (n(A)).

Step 3

Exam Tip

दूसरा घटक (2) निश्चित है और पहला घटक (A) के (2) तत्वों में से कोई भी हो सकता है। निश्चित दूसरे घटक पर संख्या (n(A)) होती है।

Open Question Page
Ask Friends

यदि \(M=\{1,2,3\}\) और \(N=\{4\}\) हैं, तो \(M\times N\) और \(N\times M\) के बारे में सही कथन कौन सा है?

If \(M=\{1,2,3\}\) and \(N=\{4\}\), which statement about \(M\times N\) and \(N\times M\) is correct?

Explanation opens after your attempt
Correct Answer

A. दोनों में (3) युग्म हैं पर युग्मों का क्रम अलग हैBoth have (3) pairs but the order of components is different

Step 1

Concept

Both have count \(3\times 1=3\), but the order of components is reversed. Equal count does not mean equal sets.

Step 2

Why this answer is correct

The correct answer is A. दोनों में (3) युग्म हैं पर युग्मों का क्रम अलग है / Both have (3) pairs but the order of components is different. Both have count \(3\times 1=3\), but the order of components is reversed. Equal count does not mean equal sets.

Step 3

Exam Tip

दोनों की संख्या \(3\times 1=3\) है, पर घटकों का क्रम उल्टा है। समान संख्या का अर्थ समान समुच्चय नहीं होता।

Open Question Page
Ask Friends

क्रमित युग्म ((3,8)) और ((8,3)) के बारे में सही कथन कौन सा है?

Which statement about ordered pairs ((3,8)) and ((8,3)) is correct?

Explanation opens after your attempt
Correct Answer

A. ((3,8)\ne(8,3))

Step 1

Concept

Changing positions changes an ordered pair. Ordered pairs are equal only when corresponding components are equal.

Step 2

Why this answer is correct

The correct answer is A. ((3,8)\ne(8,3)). Changing positions changes an ordered pair. Ordered pairs are equal only when corresponding components are equal.

Step 3

Exam Tip

क्रमित युग्म में स्थान बदलने से युग्म बदल जाता है। केवल समान स्थानों पर समान घटक हों तो युग्म बराबर होते हैं।

Open Question Page
Ask Friends

यदि \(A=\{4,5\}\) और \(B=\{5,6\}\) हैं, तो क्या \((5,5)\in A\times B\) है?

If \(A=\{4,5\}\) and \(B=\{5,6\}\), is \((5,5)\in A\times B\)?

Explanation opens after your attempt
Correct Answer

A. हां, क्योंकि \(5\in A\) और \(5\in B\)Yes, because \(5\in A\) and \(5\in B\)

Step 1

Concept

The first (5) is in (A) and the second (5) is in (B), so the pair is correct. Equal components are not an error.

Step 2

Why this answer is correct

The correct answer is A. हां, क्योंकि \(5\in A\) और \(5\in B\) / Yes, because \(5\in A\) and \(5\in B\). The first (5) is in (A) and the second (5) is in (B), so the pair is correct. Equal components are not an error.

Step 3

Exam Tip

पहला (5) (A) में और दूसरा (5) (B) में है, इसलिए युग्म सही है। समान घटक होना गलती नहीं है।

Open Question Page
Ask Friends

यदि \(A=\{1,2\}\), \(B=\{0,3\}\) और \(C=\{5\}\) हैं, तो (n\(A\times B\times C\)) कितना होगा?

If \(A=\{1,2\}\), \(B=\{0,3\}\), and \(C=\{5\}\), what is (n\(A\times B\times C\))?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

For the product of three sets, the count is (n(A)n(B)n(C)). Therefore, \(2\times 2\times 1=4\).

Step 2

Why this answer is correct

The correct answer is B. (4). For the product of three sets, the count is (n(A)n(B)n(C)). Therefore, \(2\times 2\times 1=4\).

Step 3

Exam Tip

तीन समुच्चयों के गुणन में संख्या (n(A)n(B)n(C)) होती है। इसलिए \(2\times 2\times 1=4\)।

Open Question Page
Ask Friends

यदि \(A=\{0,3\}\) और \(B=\{1,3\}\) हैं, तो कौन सा युग्म \(A\times B\) में नहीं होगा?

If \(A=\{0,3\}\) and \(B=\{1,3\}\), which pair will not be in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

D. ((1,0))

Step 1

Concept

In ((1,0)), \(1\notin A\) and \(0\notin B\), so it is not in \(A\times B\). Check membership of both components.

Step 2

Why this answer is correct

The correct answer is D. ((1,0)). In ((1,0)), \(1\notin A\) and \(0\notin B\), so it is not in \(A\times B\). Check membership of both components.

Step 3

Exam Tip

((1,0)) में \(1\notin A\) और \(0\notin B\), इसलिए यह \(A\times B\) में नहीं है। दोनों घटकों की सदस्यता जांचें।

Open Question Page
Ask Friends

यदि \(A\subset B\) है, तो \(A\times D\) और \(B\times D\) के लिए कौन सा कथन सही है?

If \(A\subset B\), which statement is correct for \(A\times D\) and \(B\times D\)?

Explanation opens after your attempt
Correct Answer

A. \(A\times D\subset B\times D\)

Step 1

Concept

Every element of (A) is in (B), so every pair of \(A\times D\) will be in \(B\times D\). In subset questions, check the related component.

Step 2

Why this answer is correct

The correct answer is A. \(A\times D\subset B\times D\). Every element of (A) is in (B), so every pair of \(A\times D\) will be in \(B\times D\). In subset questions, check the related component.

Step 3

Exam Tip

(A) का हर तत्व (B) में है, इसलिए \(A\times D\) का हर युग्म \(B\times D\) में होगा। उपसमुच्चय वाले प्रश्न में संबंधित घटक देखें।

Open Question Page
Ask Friends

यदि \(A=\{6\}\) और \(B=\{9\}\) हैं, तो \(A\times B\) और \(B\times A\) कौन से हैं?

If \(A=\{6\}\) and \(B=\{9\}\), what are \(A\times B\) and \(B\times A\)?

Explanation opens after your attempt
Correct Answer

A. \(A\times B={(6,9)}\) और \(B\times A={(9,6)}\)\(A\times B={(6,9)}\) and \(B\times A={(9,6)}\)

Step 1

Concept

In \(A\times B\), (6) is first and (9) is second. In \(B\times A\), the order is reversed.

Step 2

Why this answer is correct

The correct answer is A. \(A\times B={(6,9)}\) और \(B\times A={(9,6)}\) / \(A\times B={(6,9)}\) and \(B\times A={(9,6)}\). In \(A\times B\), (6) is first and (9) is second. In \(B\times A\), the order is reversed.

Step 3

Exam Tip

\(A\times B\) में (6) पहले और (9) दूसरे स्थान पर है। \(B\times A\) में क्रम उल्टा हो जाता है।

Open Question Page
Ask Friends

यदि \(A=\{1,4,7\}\) और \(B=\{2,5\}\) हैं, तो \(A\times B\) को निर्देशांक बिंदुओं की तरह दिखाने पर कितने बिंदु होंगे?

If \(A=\{1,4,7\}\) and \(B=\{2,5\}\), how many points are there when \(A\times B\) is shown as coordinate points?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

Each ordered pair can be treated as a point and there are \(3\times 2=6\) pairs. Use the same counting rule in coordinate questions.

Step 2

Why this answer is correct

The correct answer is C. (6). Each ordered pair can be treated as a point and there are \(3\times 2=6\) pairs. Use the same counting rule in coordinate questions.

Step 3

Exam Tip

हर क्रमित युग्म एक बिंदु जैसा माना जा सकता है और कुल \(3\times 2=6\) युग्म हैं। निर्देशांक प्रश्नों में भी वही गिनती नियम प्रयोग करें।

Open Question Page
Ask Friends

\(यदि नाश्ते का समुच्चय (A={\)पोहा,इडली,पराठा\(}) और पेय का समुच्चय (B={\)दूध,चाय\(}) है, तो (A\times B) में कितने विकल्प होंगे\)?

\(If breakfast set (A={\)poha,idli,paratha\(}) and drink set (B={\)milk,tea\(}) are given, how many options are in (A\times B)\)?

Explanation opens after your attempt
Correct Answer

D. (6)

Step 1

Concept

There are (3) breakfast options and (2) drink options, so \(3\times 2=6\) combinations are formed. Real-life choices can be counted using Cartesian product.

Step 2

Why this answer is correct

The correct answer is D. (6). There are (3) breakfast options and (2) drink options, so \(3\times 2=6\) combinations are formed. Real-life choices can be counted using Cartesian product.

Step 3

Exam Tip

नाश्ते के (3) और पेय के (2) विकल्प हैं, इसलिए \(3\times 2=6\) संयोजन बनेंगे। वास्तविक जीवन के चुनाव कार्तीय गुणन से गिने जा सकते हैं।

Open Question Page
Ask Friends

यदि \(A=\{2,4,6,8\}\) और \(B=\{1\}\) हैं, तो \(B\times A\) में कितने तत्व होंगे?

If \(A=\{2,4,6,8\}\) and \(B=\{1\}\), how many elements are in \(B\times A\)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

(n\(B\times A\)=n(B)n(A)=1\times 4=4). The reversed product also follows the multiplication rule for count.

Step 2

Why this answer is correct

The correct answer is B. (4). (n\(B\times A\)=n(B)n(A)=1\times 4=4). The reversed product also follows the multiplication rule for count.

Step 3

Exam Tip

(n\(B\times A\)=n(B)n(A)=1\times 4=4)। उल्टा गुणन भी संख्या में गुणा नियम ही देता है।

Open Question Page
Ask Friends

यदि \(A=\{2,3,4\}\) और \(B=\{7,8\}\) हैं, तो \(A\times B\) में (2) को पहले घटक के रूप में लेकर कौन से युग्म होंगे?

If \(A=\{2,3,4\}\) and \(B=\{7,8\}\), which pairs in \(A\times B\) have (2) as the first component?

Explanation opens after your attempt
Correct Answer

A. ({(2,7),(2,8)})

Step 1

Concept

The first component (2) is fixed and the second component is (7) or (8) from (B). With a fixed first component, all elements of the second set are used.

Step 2

Why this answer is correct

The correct answer is A. ({(2,7),(2,8)}). The first component (2) is fixed and the second component is (7) or (8) from (B). With a fixed first component, all elements of the second set are used.

Step 3

Exam Tip

पहला घटक (2) निश्चित है और दूसरा घटक (B) से (7) या (8) होगा। निश्चित पहले घटक के साथ दूसरे समुच्चय के सभी तत्व लगते हैं।

Open Question Page
Ask Friends

यदि \(A=\{6,8\}\) और \(B=\{1,3,5\}\) हैं, तो दूसरे घटक (5) वाले \(A\times B\) के युग्म कौन से हैं?

If \(A=\{6,8\}\) and \(B=\{1,3,5\}\), which pairs of \(A\times B\) have second component (5)?

Explanation opens after your attempt
Correct Answer

A. ({(6,5),(8,5)})

Step 1

Concept

The second component (5) is fixed and the first component is (6) or (8) from (A). In such questions, do not change the position of the fixed component.

Step 2

Why this answer is correct

The correct answer is A. ({(6,5),(8,5)}). The second component (5) is fixed and the first component is (6) or (8) from (A). In such questions, do not change the position of the fixed component.

Step 3

Exam Tip

दूसरा घटक (5) स्थिर है और पहला घटक (A) से (6) या (8) होगा। ऐसे प्रश्नों में तय घटक की जगह न बदलें।

Open Question Page
Ask Friends

यदि \(A=\{0,2\}\) और \(B=\{1,4\}\) हैं, तो \(A\times B\) के तत्व किस रूप में होंगे?

If \(A=\{0,2\}\) and \(B=\{1,4\}\), in what form will the elements of \(A\times B\) be?

Explanation opens after your attempt
Correct Answer

A. क्रमित युग्मOrdered pairs

Step 1

Concept

Elements of Cartesian product are always ordered pairs. Therefore, a form like ((x,y)) is necessary in the answer.

Step 2

Why this answer is correct

The correct answer is A. क्रमित युग्म / Ordered pairs. Elements of Cartesian product are always ordered pairs. Therefore, a form like ((x,y)) is necessary in the answer.

Step 3

Exam Tip

कार्तीय गुणन के तत्व हमेशा क्रमित युग्म होते हैं। इसलिए उत्तर में ((x,y)) जैसा रूप जरूरी है।

Open Question Page
Ask Friends

यदि \(A=\{1,3\}\) और \(B=\{2,3,4\}\) हैं, तो \((3,4)\in A\times B\) क्यों है?

If \(A=\{1,3\}\) and \(B=\{2,3,4\}\), why is \((3,4)\in A\times B\)?

Explanation opens after your attempt
Correct Answer

A. क्योंकि \(3\in A\) और \(4\in B\)Because \(3\in A\) and \(4\in B\)

Step 1

Concept

In ((3,4)), the first component is from (A) and the second is from (B). This is the membership condition for \(A\times B\).

Step 2

Why this answer is correct

The correct answer is A. क्योंकि \(3\in A\) और \(4\in B\) / Because \(3\in A\) and \(4\in B\). In ((3,4)), the first component is from (A) and the second is from (B). This is the membership condition for \(A\times B\).

Step 3

Exam Tip

((3,4)) में पहला घटक (A) से और दूसरा घटक (B) से है। यही \(A\times B\) की सदस्यता की शर्त है।

Open Question Page
Ask Friends

यदि \(A={x:x\in \mathbb{N},\ x\leq 3}\) और \(B=\{0,1\}\) है, तो \(A\times B\) में कितने तत्व हैं?

If \(A={x:x\in \mathbb{N},\ x\leq 3}\) and \(B=\{0,1\}\), how many elements are in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

\(A=\{1,2,3\}\) and (B) has (2) elements, so \(3\times 2=6\). First understand the set-builder form.

Step 2

Why this answer is correct

The correct answer is C. (6). \(A=\{1,2,3\}\) and (B) has (2) elements, so \(3\times 2=6\). First understand the set-builder form.

Step 3

Exam Tip

\(A=\{1,2,3\}\) और (B) में (2) तत्व हैं, इसलिए \(3\times 2=6\)। पहले सेट-बिल्डर रूप को समझें।

Open Question Page
Ask Friends

यदि \(A=\{2,4,6\}\) और \(B=\{2,4,6\}\) हैं, तो \(A\times B\) में समान घटक वाले कितने युग्म होंगे?

If \(A=\{2,4,6\}\) and \(B=\{2,4,6\}\), how many pairs in \(A\times B\) have equal components?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The equal-component pairs are ((2,2),(4,4),(6,6)). Do not count all (9) pairs, count only the pairs satisfying the condition.

Step 2

Why this answer is correct

The correct answer is B. (3). The equal-component pairs are ((2,2),(4,4),(6,6)). Do not count all (9) pairs, count only the pairs satisfying the condition.

Step 3

Exam Tip

समान घटक वाले युग्म ((2,2),(4,4),(6,6)) हैं। पूरी संख्या (9) नहीं, केवल शर्त वाले युग्म गिनें।

Open Question Page
Ask Friends

यदि \(A=\{-1,2\}\) और \(B=\{0,3\}\) हैं, तो कौन सा युग्म \(A\times B\) में है?

If \(A=\{-1,2\}\) and \(B=\{0,3\}\), which pair is in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. ((-1,3))

Step 1

Concept

In ((-1,3)), the first component \(-1\in A\) and the second \(3\in B\). A negative number is checked like any ordinary element.

Step 2

Why this answer is correct

The correct answer is A. ((-1,3)). In ((-1,3)), the first component \(-1\in A\) and the second \(3\in B\). A negative number is checked like any ordinary element.

Step 3

Exam Tip

((-1,3)) में पहला घटक \(-1\in A\) और दूसरा \(3\in B\) है। ऋणात्मक संख्या भी सामान्य तत्व की तरह जांची जाती है।

Open Question Page
Ask Friends

\(यदि (A={\)दिन,रात\(}) और (B={\)गर्मी,सर्दी}) हैं, तो ((रात,सर्दी)) किसका तत्व है?

\(If (A={\)day,night\(}) and (B={\)summer,winter}), of which set is ((night,winter)) an element?

Explanation opens after your attempt
Correct Answer

A. \(A\times B\)

Step 1

Concept

The first component (night) is from (A) and the second component (winter\() is from (B). Therefore, it is an element of (A\times B).\)

Step 2

Why this answer is correct

\(The correct answer is A. (A\times B). The first component (\)night) is from (A) and the second component (winter\() is from (B). Therefore, it is an element of (A\times B).\)

Step 3

Exam Tip

पहला घटक (रात) (A) से और दूसरा घटक (सर्दी) (B) से है। \(इसलिए यह (A\times B) का तत्व है\)।

Open Question Page
Ask Friends

यदि \(A=\{2,5\}\) और \(B=\{6,7\}\) हैं, तो \(A\times B\) में (7) दूसरे घटक के रूप में किन युग्मों में आएगा?

If \(A=\{2,5\}\) and \(B=\{6,7\}\), in which pairs will (7) appear as the second component in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. ({(2,7),(5,7)})

Step 1

Concept

The second component (7) is fixed and the first component comes from (2) or (5) in (A). With a second-component condition, the first position changes.

Step 2

Why this answer is correct

The correct answer is A. ({(2,7),(5,7)}). The second component (7) is fixed and the first component comes from (2) or (5) in (A). With a second-component condition, the first position changes.

Step 3

Exam Tip

दूसरा घटक (7) तय है और पहला घटक (A) के (2) या (5) से आएगा। दूसरे घटक की शर्त में पहला स्थान बदलता है।

Open Question Page
Ask Friends

यदि \(A=\{9,10\}\) और \(B=\{0\}\) हैं, तो कौन सा कथन सही है?

If \(A=\{9,10\}\) and \(B=\{0\}\), which statement is correct?

Explanation opens after your attempt
Correct Answer

A. \(A\times B={(9,0),(10,0)}\)

Step 1

Concept

Elements of (A) come in the first position and (0) from (B) comes in the second position. Do not treat Cartesian product as ordinary union.

Step 2

Why this answer is correct

The correct answer is A. \(A\times B={(9,0),(10,0)}\). Elements of (A) come in the first position and (0) from (B) comes in the second position. Do not treat Cartesian product as ordinary union.

Step 3

Exam Tip

(A) के तत्व पहले स्थान पर और (B) का (0) दूसरे स्थान पर आता है। कार्तीय गुणन को साधारण समुच्चय संघ न मानें।

Open Question Page
Ask Friends

यदि \(A=\{2,6\}\) और \(B=\{1,3,5\}\) हैं, तो \(A\times B\) में (A) का सबसे बड़ा तत्व पहले घटक होने वाले कितने युग्म हैं?

If \(A=\{2,6\}\) and \(B=\{1,3,5\}\), how many pairs in \(A\times B\) have the largest element of (A) as the first component?

Explanation opens after your attempt
Correct Answer

C. (3)

Step 1

Concept

The largest element of (A) is (6), and it pairs with the (3) elements of (B). For a fixed first component, the answer is (n(B)).

Step 2

Why this answer is correct

The correct answer is C. (3). The largest element of (A) is (6), and it pairs with the (3) elements of (B). For a fixed first component, the answer is (n(B)).

Step 3

Exam Tip

(A) का सबसे बड़ा तत्व (6) है और यह (B) के (3) तत्वों से युग्म बनाएगा। निश्चित पहले घटक के लिए उत्तर (n(B)) है।

Open Question Page
Ask Friends

यदि \(A=\{1,3,5\}\) और \(B=\{4,8\}\) हैं, तो \(A\times B\) में (B) का सबसे छोटा तत्व दूसरे घटक होने वाले कितने युग्म हैं?

If \(A=\{1,3,5\}\) and \(B=\{4,8\}\), how many pairs in \(A\times B\) have the smallest element of (B) as the second component?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The smallest element of (B) is (4), and the first component can come from the (3) elements of (A). For a fixed second component, the answer is (n(A)).

Step 2

Why this answer is correct

The correct answer is B. (3). The smallest element of (B) is (4), and the first component can come from the (3) elements of (A). For a fixed second component, the answer is (n(A)).

Step 3

Exam Tip

(B) का सबसे छोटा तत्व (4) है और पहला घटक (A) के (3) तत्वों से आ सकता है। निश्चित दूसरे घटक के लिए उत्तर (n(A)) होता है।

Open Question Page
Ask Friends

यदि \(A=\{0,1,2\}\) और \(B=\{2,4\}\) हैं, तो \(A\times B\) में दोनों घटकों का योग (4) होने वाले कितने युग्म हैं?

If \(A=\{0,1,2\}\) and \(B=\{2,4\}\), how many pairs in \(A\times B\) have sum of both components equal to (4)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The pairs are ((0,4)) and ((2,2)). In condition-based questions, first check the possible pairs.

Step 2

Why this answer is correct

The correct answer is B. (2). The pairs are ((0,4)) and ((2,2)). In condition-based questions, first check the possible pairs.

Step 3

Exam Tip

ऐसे युग्म ((0,4)) और ((2,2)) हैं। शर्त वाले प्रश्न में पहले संभावित युग्मों को जांचें।

Open Question Page
Ask Friends

यदि \(A=\{2,4\}\) और \(B=\{1,5\}\) हैं, तो \(A\times B\) में दोनों घटकों का योग विषम होने वाले कितने युग्म हैं?

If \(A=\{2,4\}\) and \(B=\{1,5\}\), how many pairs in \(A\times B\) have an odd sum of components?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

The first component is always even and the second is always odd, so every sum is odd. There are \(2\times 2=4\) pairs in total.

Step 2

Why this answer is correct

The correct answer is C. (4). The first component is always even and the second is always odd, so every sum is odd. There are \(2\times 2=4\) pairs in total.

Step 3

Exam Tip

पहला घटक हमेशा सम और दूसरा हमेशा विषम है, इसलिए हर योग विषम होगा। कुल \(2\times 2=4\) युग्म हैं।

Open Question Page
Ask Friends

यदि \(A=\{1,3\}\) और \(B=\{2,6\}\) हैं, तो \(A\times B\) में दोनों घटकों का गुणनफल सम होने वाले कितने युग्म हैं?

If \(A=\{1,3\}\) and \(B=\{2,6\}\), how many pairs in \(A\times B\) have an even product of components?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

The second component is always even, so every product is even. There are \(2\times 2=4\) pairs in total.

Step 2

Why this answer is correct

The correct answer is C. (4). The second component is always even, so every product is even. There are \(2\times 2=4\) pairs in total.

Step 3

Exam Tip

दूसरा घटक हमेशा सम है, इसलिए हर गुणनफल सम होगा। कुल \(2\times 2=4\) युग्म हैं।

Open Question Page
Ask Friends

यदि \(A=\{1,2,4\}\) और \(B=\{1,3\}\) हैं, तो \(A\times B\) में पहला घटक दूसरे घटक से बड़ा होने वाले कितने युग्म हैं?

If \(A=\{1,2,4\}\) and \(B=\{1,3\}\), how many pairs in \(A\times B\) have first component greater than second component?

Explanation opens after your attempt
Correct Answer

C. (3)

Step 1

Concept

The pairs are ((2,1),(4,1),(4,3)). During comparison, do not reverse the first and second positions of \(A\times B\).

Step 2

Why this answer is correct

The correct answer is C. (3). The pairs are ((2,1),(4,1),(4,3)). During comparison, do not reverse the first and second positions of \(A\times B\).

Step 3

Exam Tip

ऐसे युग्म ((2,1),(4,1),(4,3)) हैं। तुलना करते समय \(A\times B\) का पहला और दूसरा स्थान न बदलें।

Open Question Page
Ask Friends

यदि \(A=\{2,3\}\) और \(B=\{1,2,3\}\) हैं, तो \(A\times B\) में दोनों घटक बराबर होने वाले कितने युग्म हैं?

If \(A=\{2,3\}\) and \(B=\{1,2,3\}\), how many pairs in \(A\times B\) have both components equal?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The equal-component pairs are ((2,2)) and ((3,3)). In such questions, look at common elements of both sets.

Step 2

Why this answer is correct

The correct answer is B. (2). The equal-component pairs are ((2,2)) and ((3,3)). In such questions, look at common elements of both sets.

Step 3

Exam Tip

समान घटक वाले युग्म ((2,2)) और ((3,3)) हैं। ऐसे प्रश्नों में दोनों समुच्चयों के साझा तत्वों को देखें।

Open Question Page
Ask Friends

यदि \(A=\{0,2,4\}\) और \(B=\{1,3\}\) हैं, तो \(A\times B\) में दूसरे घटक और पहले घटक का अंतर (1) होने वाले कितने युग्म हैं?

If \(A=\{0,2,4\}\) and \(B=\{1,3\}\), how many pairs in \(A\times B\) have the second component minus the first component equal to (1)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The pairs are ((0,1)) and ((2,3)). In difference questions, keep the order of components very carefully.

Step 2

Why this answer is correct

The correct answer is B. (2). The pairs are ((0,1)) and ((2,3)). In difference questions, keep the order of components very carefully.

Step 3

Exam Tip

ऐसे युग्म ((0,1)) और ((2,3)) हैं। अंतर वाले प्रश्नों में घटकों का क्रम बहुत ध्यान से रखें।

Open Question Page
Ask Friends

यदि \(A=\{1,2,5\}\) और \(B=\{2,6\}\) हैं, तो \(A\times B\) में दोनों घटकों का गुणनफल (10) से अधिक होने वाले कितने युग्म हैं?

If \(A=\{1,2,5\}\) and \(B=\{2,6\}\), how many pairs in \(A\times B\) have product of both components greater than (10)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

The pairs are ((2,6)) and ((5,6)), whose products are greater than (10). In condition-based questions, quickly check all possible pairs.

Step 2

Why this answer is correct

The correct answer is B. (2). The pairs are ((2,6)) and ((5,6)), whose products are greater than (10). In condition-based questions, quickly check all possible pairs.

Step 3

Exam Tip

ऐसे युग्म ((2,6)) और ((5,6)) हैं जिनका गुणनफल (10) से अधिक है। शर्त वाले प्रश्नों में सभी संभव युग्मों को जल्दी जांचें।

Open Question Page
Ask Friends
FAQs

Class 11 Mathematics Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 50 questions are available for the selected class and difficulty.

Is there a timer in this quiz?

Yes, the timer uses 40 seconds per question for Easy difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.