Concept-wise Practice

numeric product MCQ Questions for Class 9

numeric product se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

All Tags Search Similar

Practice Questions

5 questions tagged with numeric product.

Question 1/5 Expert Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 63

\( 123\times117 \) को पहचान से निकालने पर क्या मिलेगा?

What do we get for \( 123\times117 \) using an identity?

Explanation opens after your attempt
Correct Answer

A. (14391)

Step 1

Concept

(123\times117=(120+3)(120-3)=1202-32=14391). Exam tip: identify the common centre (120).

Step 2

Why this answer is correct

The correct answer is A. (14391). (123\times117=(120+3)(120-3)=1202-32=14391). Exam tip: identify the common centre (120).

Step 3

Exam Tip

(123\times117=(120+3)(120-3)=1202-32=14391)। परीक्षा में समान केंद्र (120) पहचानें।

Open Question Page
Ask Friends
Question 2/5 Medium Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 64

\( 58\times42 \) का मान ( (50+8)(50-8) ) से क्या होगा?

What is the value of \( 58\times42 \) using ( (50+8)(50-8) )?

Explanation opens after your attempt
Correct Answer

A. (2436)

Step 1

Concept

\(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

Step 2

Why this answer is correct

The correct answer is A. (2436). \(50^2-8^2=2500-64=2436\). Exam tip: identify the common centre (50).

Step 3

Exam Tip

\(50^2-8^2=2500-64=2436\)। परीक्षा में समान केंद्र (50) पहचानें।

Open Question Page
Ask Friends
Question 3/5 Medium Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 64

\( 87\times93 \) को पहचान से निकालने पर उत्तर क्या है?

What is \( 87\times93 \) using an identity?

Explanation opens after your attempt
Correct Answer

A. (8091)

Step 1

Concept

(87\times93=(90-3)(90+3)=902-32=8091). Exam tip: use \(a^2-b^2\) for numbers around the same centre.

Step 2

Why this answer is correct

The correct answer is A. (8091). (87\times93=(90-3)(90+3)=902-32=8091). Exam tip: use \(a^2-b^2\) for numbers around the same centre.

Step 3

Exam Tip

(87\times93=(90-3)(90+3)=902-32=8091)। परीक्षा में समान केंद्र वाली संख्याओं पर \(a^2-b^2\) लगाएँ।

Open Question Page
Ask Friends
Question 4/5 Easy Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 67

\( 45\times55 \) को किस पहचान से जल्दी निकाला जा सकता है?

Which identity can quickly find \( 45\times55 \)?

Explanation opens after your attempt
Correct Answer

C. ( (a+b)(a-b)=a-2-b-2 )

Step 1

Concept

(45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

Step 2

Why this answer is correct

The correct answer is C. ( (a+b)(a-b)=a-2-b-2 ). (45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

Step 3

Exam Tip

(45\times55=(50-5)(50+5)) है। परीक्षा में समान केंद्र वाली संख्याएँ अंतर वर्ग से करें।

Open Question Page
Ask Friends
Question 5/5 Easy Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 67

\( 72\times68 \) को पहचान से निकालिए।

Find \( 72\times68 \) using an identity.

Explanation opens after your attempt
Correct Answer

A. (4896)

Step 1

Concept

(72\times68=(70+2)(70-2)=702-22=4896). Exam tip: choose the nearby common number.

Step 2

Why this answer is correct

The correct answer is A. (4896). (72\times68=(70+2)(70-2)=702-22=4896). Exam tip: choose the nearby common number.

Step 3

Exam Tip

(72\times68=(70+2)(70-2)=702-22=4896)। परीक्षा में पास की समान संख्या चुनें।

Open Question Page
Ask Friends

numeric product Revision Links

All MCQ Tags

Browse concept directory

All Subjects

Subject-wise practice

Search numeric product

More keyword results
Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.