The difference f two n

Question

The difference f two numbers is 20% of the larger number . If the smaller number is 20, then the larger number is :

Options:

A . 25

B . 45

C . 50

D . 80

Answer: Option A

Let the larger number be `x`.

Then, `x - 20 = 20/100 x hArr x - 1/5 x = 20 hArr 4/5 x = 20 hArr x = (20 xx 5/4)` = 25.

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