Percentage Practice Test 4 with solutions

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Question : 23 of 40

Marks: +1, -0

If the numerator of a fraction is increased by 150% and the denominator is increased by 140%, the fraction becomes

7/24

. What is the original fraction?

$7 /24$
$7 /25$
$7/ 23$
$11/24$
$11/ 23$

Solution:

Let the fraction be

x/ y

.
Then,

{x+150/100x}/{y+140/100x}=7/24

{250x}/{240y}=7/24

x/y=7/25

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