The HCF of this pair of numbers is not 1. (A) 13, 17 (B) 29, 20 (C) – InterviewSolution

1.

The HCF of this pair of numbers is not 1. (A) 13, 17 (B) 29, 20 (C) 40, 20 (D) 14, 15

Answer»

Correct answer is

(C) 40, 20

Hint: 40 = 2 x 2 x 2 x 5

20 = 2 x 2 x 5

∴ HCF of 40 and 20 = 2 x 5 = 10

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