SSC CPO SI and ASI 2012 Paper

Question : 117 of 200

Marks: +1, -0

The numerator of a fraction is increased by 20% and denominator is decreased by 20%. The value of the fraction becomes 4/5. The original fraction is

Solution:

(2) Let original fraction be

x/y

.
Then,

{x(100+20)}/{y(100-20)}=\ {4}/{5}⇒{x}/{y}= {8}/{15}

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