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Maths Finding Common Ground - Chapter 3 Class 7 (Ganita Prakash II) Assertion and Reason Questions

Assertion Reasoning Quiz · Class 7 · Maths · CBSE

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Chapter 3 Class 7 - Finding Common Ground (Ganita Prakash II) | 6 questions | about 5 minutes

Practise Finding Common Ground - Chapter 3 Class 7 (Ganita Prakash II) with Teachoo's Assertion Reasoning Quiz (Class 7 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 6
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Question 1 of 6
Assertion (A): \(HCF(84,126,210)=21\).
Reason (R): \(HCF(HCF(84,126),210)=HCF(42,210)=42\).
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Question 2 of 6
Assertion (A): If the numbers are \(12x\) and \(12y\) with \(HCF(x,y)=1\), then their HCF is 12.
Reason (R): After removing the common factor 12, no factor greater than 1 divides both \(x\) and \(y\).
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Question 3 of 6
Assertion (A): If two numbers have HCF 10 and LCM 360, their product is 3600.
Reason (R): For two positive integers, the product equals \(HCF\times LCM\), so \(10\times360=3600\).
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Question 4 of 6
Assertion (A): If both numbers are doubled, their HCF doubles.
Reason (R): The LCM of two consecutive positive integers equals their product.
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Question 5 of 6
Assertion (A): The simultaneous division of 168 and 252 by 7 and then by 12 leaves 2 and 3; hence HCF 84 and LCM 504.
Reason (R): The removed common factors multiply to \(7\times12=84\), and the co-prime remainders give \(LCM=84\times2\times3=504\).
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Question 6 of 6
Assertion (A): The numbers 18 and 48 have HCF 12 and LCM 72.
Reason (R): Although \(18\times48=12\times72=864\), the product test alone does not determine the HCF and LCM.
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