The HCF of two numbers is 7 and their LCM is 42. If one number is 42, find the other.

Type: MCQ • Marks: 1

A. 294

B. 9

C. 42

D. 7

Explanation

Using HCF × LCM = product of numbers: other number = (7 × 42) ÷ 42 = 7.

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Class 7th Ganita Prakash 2

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