Concept-wise Practice

expression-remainder MCQ Questions for Class 10

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Practice Questions

20 questions tagged with expression-remainder.

Question 1/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (n=26q+25), तो \(n^2+2n+1\) को 26 से भाग देने पर शेषफल क्या होगा?

If (n=26q+25), what is the remainder when \(n^2+2n+1\) is divided by 26?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

(n-2+2n+1=(n+1)2).

Step 2

Why this answer is correct

Since the remainder of (n) is 25, the remainder of (n+1) is 0.

Step 3

Exam Tip

When (n+1) is divisible by 26, its square is also divisible by 26. चरण 1: (n-2+2n+1=(n+1)2) है। चरण 2: (n) का शेषफल 25 है, इसलिए (n+1) का शेषफल 0 होगा। चरण 3: जब (n+1) 26 से विभाज्य है, तो उसका वर्ग भी 26 से विभाज्य होगा।

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Question 2/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (a=18q+11), तो \(a^2+9\) को 18 से भाग देने पर शेषफल क्या होगा?

If (a=18q+11), what is the remainder when \(a^2+9\) is divided by 18?

Explanation opens after your attempt
Correct Answer

A. 2

Step 1

Concept

The remainder of (a) is 11.

Step 2

Why this answer is correct

The remainder of \(a^2+9\) comes from \(11^2+9=130\).

Step 3

Exam Tip

\(130=18\times7+4\), so the final remainder is 4. चरण 1: (a) का शेषफल 11 है। चरण 2: \(a^2+9\) का शेषफल \(11^2+9=130\) से मिलेगा। चरण 3: \(130=18\times7+4\), इसलिए अंतिम शेषफल 4 है।

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Question 3/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (u=20q+13), तो \(u^2-u\) को 20 से भाग देने पर शेषफल क्या होगा?

If (u=20q+13), what is the remainder when \(u^2-u\) is divided by 20?

Explanation opens after your attempt
Correct Answer

A. 16

Step 1

Concept

The remainder of (u) is 13.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(13^2-13=156\).

Step 3

Exam Tip

\(156=20\times7+16\), so the remainder is 16. चरण 1: (u) का शेषफल 13 है। चरण 2: \(u^2-u\) का शेषफल \(13^2-13=156\) से मिलेगा। चरण 3: \(156=20\times7+16\), इसलिए शेषफल 16 है।

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Question 4/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (x=14q+13), तो \(x^2+x\) को 14 से भाग देने पर शेषफल क्या होगा?

If (x=14q+13), what is the remainder when \(x^2+x\) is divided by 14?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (x) is 13.

Step 2

Why this answer is correct

The remainder of \(x^2+x\) comes from \(13^2+13=182\).

Step 3

Exam Tip

Since 182 is exactly divisible by 14, the remainder is 0. चरण 1: (x) का शेषफल 13 है। चरण 2: \(x^2+x\) का शेषफल \(13^2+13=182\) से मिलेगा। चरण 3: 182, 14 से पूर्णतः विभाजित है, इसलिए शेषफल 0 है।

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Question 5/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (n=22q+21), तो \(n^2+2n+1\) को 22 से भाग देने पर शेषफल क्या होगा?

If (n=22q+21), what is the remainder when \(n^2+2n+1\) is divided by 22?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

(n-2+2n+1=(n+1)2).

Step 2

Why this answer is correct

Since the remainder of (n) is 21, the remainder of (n+1) is 0.

Step 3

Exam Tip

When (n+1) is divisible by 22, its square is also divisible by 22. चरण 1: (n-2+2n+1=(n+1)2) है। चरण 2: (n) का शेषफल 21 है, इसलिए (n+1) का शेषफल 0 होगा। चरण 3: जब (n+1) 22 से विभाज्य है, तो उसका वर्ग भी 22 से विभाज्य होगा।

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Question 6/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (a=16q+9), तो \(a^2+7\) को 16 से भाग देने पर शेषफल क्या होगा?

If (a=16q+9), what is the remainder when \(a^2+7\) is divided by 16?

Explanation opens after your attempt
Correct Answer

C. 8

Step 1

Concept

The remainder of (a) is 9.

Step 2

Why this answer is correct

The remainder of \(a^2+7\) comes from \(9^2+7=88\).

Step 3

Exam Tip

\(88=16\times5+8\), so the final remainder is 8. चरण 1: (a) का शेषफल 9 है। चरण 2: \(a^2+7\) का शेषफल \(9^2+7=88\) से मिलेगा। चरण 3: \(88=16\times5+8\), इसलिए अंतिम शेषफल 8 है।

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Question 7/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (u=18q+11), तो \(u^2-u\) को 18 से भाग देने पर शेषफल क्या होगा?

If (u=18q+11), what is the remainder when \(u^2-u\) is divided by 18?

Explanation opens after your attempt
Correct Answer

B. 2

Step 1

Concept

The remainder of (u) is 11.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(11^2-11=110\).

Step 3

Exam Tip

\(110=18\times6+2\), so the remainder is 2. चरण 1: (u) का शेषफल 11 है। चरण 2: \(u^2-u\) का शेषफल \(11^2-11=110\) से मिलेगा। चरण 3: \(110=18\times6+2\), इसलिए शेषफल 2 है।

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Question 8/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (x=12q+11), तो \(x^2+x\) को 12 से भाग देने पर शेषफल क्या होगा?

If (x=12q+11), what is the remainder when \(x^2+x\) is divided by 12?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (x) is 11.

Step 2

Why this answer is correct

The remainder of \(x^2+x\) comes from \(11^2+11=132\).

Step 3

Exam Tip

Since 132 is exactly divisible by 12, the remainder is 0. चरण 1: (x) का शेषफल 11 है। चरण 2: \(x^2+x\) का शेषफल \(11^2+11=132\) से मिलेगा। चरण 3: 132, 12 से पूर्णतः विभाजित है, इसलिए शेषफल 0 है।

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Question 9/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 1

यदि (n=14q+13), तो \(n^2+2n+1\) को 14 से भाग देने पर शेषफल क्या होगा?

If (n=14q+13), what is the remainder when \(n^2+2n+1\) is divided by 14?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

(n-2+2n+1=(n+1)2).

Step 2

Why this answer is correct

Since the remainder of (n) is 13, the remainder of (n+1) is 0.

Step 3

Exam Tip

When (n+1) is divisible by 14, its square is also divisible by 14. चरण 1: (n-2+2n+1=(n+1)2) है। चरण 2: (n) का शेषफल 13 है, इसलिए (n+1) का शेषफल 0 होगा। चरण 3: जब (n+1) 14 से विभाज्य है, तो उसका वर्ग भी 14 से विभाज्य होगा।

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Question 10/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 1

यदि (a=12q+7), तो \(a^2+5\) को 12 से भाग देने पर शेषफल क्या होगा?

If (a=12q+7), what is the remainder when \(a^2+5\) is divided by 12?

Explanation opens after your attempt
Correct Answer

B. 6

Step 1

Concept

The remainder of (a) is 7.

Step 2

Why this answer is correct

The remainder of \(a^2+5\) comes from \(7^2+5=54\).

Step 3

Exam Tip

\(54=12\times4+6\), so the final remainder is 6. चरण 1: (a) का शेषफल 7 है। चरण 2: \(a^2+5\) का शेषफल \(7^2+5=54\) से मिलेगा। चरण 3: \(54=12\times4+6\), इसलिए अंतिम शेषफल 6 है।

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Question 11/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 1

यदि (u=15q+8), तो \(u^2-u\) को 15 से भाग देने पर शेषफल क्या होगा?

If (u=15q+8), what is the remainder when \(u^2-u\) is divided by 15?

Explanation opens after your attempt
Correct Answer

B. 11

Step 1

Concept

The remainder of (u) is 8.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(8^2-8=56\).

Step 3

Exam Tip

\(56=15\times3+11\), so the remainder is 11. चरण 1: (u) का शेषफल 8 है। चरण 2: \(u^2-u\) का शेषफल \(8^2-8=56\) से मिलेगा। चरण 3: \(56=15\times3+11\), इसलिए शेषफल 11 है।

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Question 12/20 Expert Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 1

यदि (x=10q+9), तो \(x^2+x\) को 10 से भाग देने पर शेषफल क्या होगा?

If (x=10q+9), what is the remainder when \(x^2+x\) is divided by 10?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (x) is 9.

Step 2

Why this answer is correct

The remainder of \(x^2+x\) comes from \(9^2+9=90\).

Step 3

Exam Tip

Since 90 is exactly divisible by 10, the remainder is 0. चरण 1: (x) का शेषफल 9 है। चरण 2: \(x^2+x\) का शेषफल \(9^2+9=90\) से मिलेगा। चरण 3: 90, 10 से पूर्णतः विभाजित है, इसलिए शेषफल 0 है।

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Question 13/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (n=10q+9), तो \(n^2+2n+1\) को 10 से भाग देने पर शेषफल क्या होगा?

If (n=10q+9), what is the remainder when \(n^2+2n+1\) is divided by 10?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

(n-2+2n+1=(n+1)2).

Step 2

Why this answer is correct

Since (n) has remainder 9, (n+1) has remainder 0, so its square is divisible by 10.

Step 3

Exam Tip

First recognize the structure of the expression to reduce calculation. चरण 1: (n-2+2n+1=(n+1)2) है। चरण 2: (n) का शेषफल 9 है, इसलिए (n+1) का शेषफल 0 होगा और उसका वर्ग भी 10 से विभाज्य होगा। चरण 3: पहले व्यंजक की बनावट पहचानें, इससे गणना कम होती है।

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Question 14/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (a=7q+3), तो \(a^2+2\) को 7 से भाग देने पर शेषफल क्या होगा?

If (a=7q+3), what is the remainder when \(a^2+2\) is divided by 7?

Explanation opens after your attempt
Correct Answer

A. 4

Step 1

Concept

The remainder of (a) is 3.

Step 2

Why this answer is correct

The remainder of \(a^2+2\) comes from \(3^2+2=11\), and (11=7+4).

Step 3

Exam Tip

Substitute the remainder in the expression, then find the final remainder. चरण 1: (a) का शेषफल 3 है। चरण 2: \(a^2+2\) का शेषफल \(3^2+2=11\) से मिलेगा, और (11=7+4)। चरण 3: व्यंजक में शेषफल रखकर फिर अंतिम शेषफल निकालें।

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Question 15/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (u=12q+5), तो \(u^2-u\) को 12 से भाग देने पर शेषफल क्या होगा?

If (u=12q+5), what is the remainder when \(u^2-u\) is divided by 12?

Explanation opens after your attempt
Correct Answer

A. 8

Step 1

Concept

The remainder of (u) is 5.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(5^2-5=20\), and (20=12+8).

Step 3

Exam Tip

Substitute the remainder first, then find the final remainder. चरण 1: (u) का शेषफल 5 है। चरण 2: \(u^2-u\) का शेषफल \(5^2-5=20\) से मिलेगा, और (20=12+8)। चरण 3: व्यंजक में पहले शेषफल रखें, फिर अंतिम शेषफल निकालें।

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Question 16/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (x=8q+7), तो \(x^2+x\) को 8 से भाग देने पर शेषफल क्या होगा?

If (x=8q+7), what is the remainder when \(x^2+x\) is divided by 8?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (x) is 7.

Step 2

Why this answer is correct

The remainder of \(x^2+x\) comes from \(7^2+7=56\), and 56 is divisible by 8.

Step 3

Exam Tip

Substituting the remainder in the expression gives a quick solution. चरण 1: (x) का शेषफल 7 है। चरण 2: \(x^2+x\) का शेषफल \(7^2+7=56\) से मिलेगा, और 56, 8 से विभाज्य है। चरण 3: व्यंजक में संख्या की जगह उसका शेषफल रखने से हल तेजी से होता है।

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Question 17/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (n=8q+7), तो \(n^2+2n+1\) को 8 से भाग देने पर शेषफल क्या होगा?

If (n=8q+7), what is the remainder when \(n^2+2n+1\) is divided by 8?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The expression \(n^2+2n+1\) is ((n+1)2).

Step 2

Why this answer is correct

Since (n) has remainder 7, (n+1) has remainder 0, so its square is divisible by 8.

Step 3

Exam Tip

Recognizing the structure of the expression reduces calculation. चरण 1: व्यंजक (n-2+2n+1=(n+1)2) है। चरण 2: (n) का शेषफल 7 है, इसलिए (n+1) का शेषफल 0 होगा और वर्ग भी 8 से विभाज्य होगा। चरण 3: पहले व्यंजक की बनावट पहचानना गणना कम कर देता है।

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Question 18/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (a=5q+2), तो \(a^2+1\) को 5 से भाग देने पर शेषफल क्या होगा?

If (a=5q+2), what is the remainder when \(a^2+1\) is divided by 5?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (a) is 2.

Step 2

Why this answer is correct

The remainder of \(a^2+1\) comes from \(2^2+1=5\), which is exactly divisible by 5.

Step 3

Exam Tip

After substituting the remainder in the expression, check it again by the divisor. चरण 1: (a) का शेषफल 2 है। चरण 2: \(a^2+1\) का शेषफल \(2^2+1=5\) से मिलेगा, जो 5 से पूर्णतः विभाजित है। चरण 3: व्यंजक में शेषफल रखने के बाद उत्तर को फिर भाजक से जांचें।

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Question 19/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (u=10q+7), तो \(u^2-u\) को 10 से भाग देने पर शेषफल क्या होगा?

If (u=10q+7), what is the remainder when \(u^2-u\) is divided by 10?

Explanation opens after your attempt
Correct Answer

B. 2

Step 1

Concept

The remainder of (u) is 7.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(7^2-7=42\), and \(42=10\times4+2\).

Step 3

Exam Tip

Substitute the remainder first, then find the final remainder. चरण 1: (u) का शेषफल 7 है। चरण 2: \(u^2-u\) का शेषफल \(7^2-7=42\) से मिलेगा, और \(42=10\times4+2\)। चरण 3: व्यंजक में पहले शेषफल रखें, फिर अंतिम शेषफल निकालें।

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Question 20/20 Hard Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 2

यदि (x=6q+5), तो \(x^2+x\) को 6 से भाग देने पर शेषफल क्या होगा?

If (x=6q+5), what is the remainder when \(x^2+x\) is divided by 6?

Explanation opens after your attempt
Correct Answer

A. 0

Step 1

Concept

The remainder of (x) is 5.

Step 2

Why this answer is correct

The remainder of \(x^2+x\) comes from \(5^2+5=30\), and 30 is divisible by 6.

Step 3

Exam Tip

Substitute the remainder in the expression to solve quickly. चरण 1: (x) का शेषफल 5 है। चरण 2: \(x^2+x\) का शेषफल \(5^2+5=30\) से मिलेगा, और 30, 6 से विभाज्य है। चरण 3: व्यंजक में संख्या की जगह उसका शेषफल रखकर हल करें।

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