Concept-wise Practice

addition MCQ Questions for Class 10

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Practice Questions

6 questions tagged with addition.

Question 1/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 4

यदि (a=42q+40), तो (a+5) को (42) से भाग देने पर शेषफल क्या होगा?

If (a=42q+40), what is the remainder when (a+5) is divided by (42)?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

In (a=42q+40), the remainder is (40).

Step 2

Why this answer is correct

(a+5=42q+45=42(q+1)+3), so the remainder is (3).

Step 3

Exam Tip

If the sum crosses the divisor, subtract the divisor once. चरण 1: (a=42q+40) में शेषफल (40) है। चरण 2: (a+5=42q+45=42(q+1)+3), इसलिए शेषफल (3) है। चरण 3: यदि योग भाजक से आगे निकल जाए तो एक बार भाजक घटाएं।

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Question 2/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 4

यदि (a=42q+41), तो (a+1) को (42) से भाग देने पर शेषफल क्या होगा?

If (a=42q+41), what is the remainder when (a+1) is divided by (42)?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

In (a=42q+41), the remainder is (41), one less than (42).

Step 2

Why this answer is correct

(a+1=42q+42=42(q+1)+0), so the remainder is (0).

Step 3

Exam Tip

Adding (1) to a (b-1) remainder gives exact division. चरण 1: (a=42q+41) में शेषफल (41) है, जो (42) से एक कम है। चरण 2: (a+1=42q+42=42(q+1)+0), इसलिए शेषफल (0) होगा। चरण 3: (b-1) शेषफल में (1) जोड़ने पर पूर्ण विभाजन हो जाता है।

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Question 3/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 4

यदि (a=13q+12), तो (a+14) को (13) से भाग देने पर शेषफल क्या होगा?

If (a=13q+12), what is the remainder when (a+14) is divided by (13)?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

Adding (14) to the old remainder (12) gives (26).

Step 2

Why this answer is correct

\(26=13 \times 2+0\), so the new remainder is (0).

Step 3

Exam Tip

Do not forget to divide the new sum by the same divisor. चरण 1: पुराने शेषफल (12) में (14) जोड़ने पर (26) मिलता है। चरण 2: \(26=13 \times 2+0\), इसलिए नया शेषफल (0) है। चरण 3: नए योग को उसी भाजक से बाँटना न भूलें।

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Question 4/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 4

यदि (a=7q+6), तो (a+3) को (7) से भाग देने पर शेषफल क्या होगा?

If (a=7q+6), what is the remainder when (a+3) is divided by (7)?

Explanation opens after your attempt
Correct Answer

A. (2)

Step 1

Concept

In (a=7q+6), the remainder is (6).

Step 2

Why this answer is correct

(a+3=7q+9=7(q+1)+2), so the remainder is (2).

Step 3

Exam Tip

If the new remainder exceeds the divisor, subtract the divisor to get the answer. चरण 1: (a=7q+6) में शेषफल (6) है। चरण 2: (a+3=7q+9=7(q+1)+2), इसलिए शेषफल (2) है। चरण 3: नया शेषफल भाजक से बड़ा हो तो भाजक घटाकर उत्तर पाएं।

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Question 5/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (a=20q+19), तो (a+1) को (20) से भाग देने पर शेषफल क्या होगा?

If (a=20q+19), what is the remainder when (a+1) is divided by (20)?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

In (a=20q+19), the remainder is (19).

Step 2

Why this answer is correct

(a+1=20q+20=20(q+1)+0), so the remainder is (0).

Step 3

Exam Tip

Adding (1) to a remainder (b-1) makes the new remainder (0). चरण 1: (a=20q+19) में शेषफल (19) है। चरण 2: (a+1=20q+20=20(q+1)+0), इसलिए शेषफल (0) है। चरण 3: (b-1) शेषफल में (1) जोड़ने पर नया शेषफल (0) हो जाता है।

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Question 6/6 Medium Mathematics Chapter 1: Real Numbers 1: Euclid’s Division Lemma Class 10 Level 3

यदि (a=6q+1), तो (a+4) को (6) से भाग देने पर शेषफल क्या होगा?

If (a=6q+1), what is the remainder when (a+4) is divided by (6)?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

In (a=6q+1), the old remainder is (1).

Step 2

Why this answer is correct

(a+4=6q+5), so the new remainder is (5).

Step 3

Exam Tip

If the new remainder remains less than the divisor, it is the answer. चरण 1: (a=6q+1) में पुराना शेषफल (1) है। चरण 2: (a+4=6q+5), इसलिए नया शेषफल (5) होगा। चरण 3: यदि नया शेषफल भाजक से छोटा रहे, तो वही उत्तर होता है।

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