Ratio and Proportion Practice Test 2

Question : 39 of 40

Marks: +1, -0

If the numerator of a fraction is increased by 25% and the denominator is decreased by 20%, the value of the new fraction becomes

7 /3

. What is the original fraction?

Solution:

Let the original fraction be

x/y.

So,

{125/100x} /{80/100y}=7/3

x/y=7/3×80/125=112/75

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