Percentage Practice Test 6 with solutions

Question : 25 of 40

Marks: +1, -0

If the numerator of a fraction is increased by 200% and the denominator of the fraction is increased by 120%, the resultant fraction is

4/ 11

. What is the original fraction?

Solution:

Let the fraction be

x/ y

; then

{x+100/100x}/{y+120/100y}=4/11

⇒{3x×5}/{11y}=4/11

x/y=4/11×11/15=4/15

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