Percentage Practice Test 8 with solutions

© examsiri.com

Question : 7 of 38

Marks: +1, -0

If the numerator of a fraction is increased by 200% and the denominator is increased by 160%, the resultant fraction is

7/ 13

. What is the original fraction?

$2/ 5$
$5 /7$
$7/ 15$
$8 /15$

Solution:

Let fraction be

x/ y

; then

{x+200/100x}/{y+160/100y}=7/13

⇒{3x×5}/{13y}=7/13

∴x/y=7/13×13/15=7/15

© examsiri.com

Go to Question:

Prev Question

Next Question