1.

Two numbers are in the ratio 1 ∶ 2 and their HCF is 7. Find the sum of both numbers?1. 142. 213. 254. 28

Answer» Correct Answer - Option 2 : 21

Given:

The ratios of numbers = 1 ∶ 2.

HCF of number = 7.

Calculation:

Let the numbers are in ratio x ∶ 2x.

∴ HCF of (x and 2x) = x

Now, HCF of numbers is 7

∴ x = 7

So, the numbers are 7 and 14 and sum of numbers = 7 + 14 = 21


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