SSC CHSL 12 Aug 2021 Shift 3 Paper

Section: Quantitative Aptitude

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Question : 57 of 99

Marks: +1, -0

Two numbers

A

and

B

are in the ratio

13: 17

. If

A

is increased by

15 \%

and

B

is increased by

30 \%

, then the new ratio of

A

to

B

will be

$21: 29$
$21: 31$
$23: 34$
$23: 33$

Solution:

Let the two numbers

A

and

B

are

13 x

and

17 x

.
According to the question,

\;{A}/{B} \;\; =\;{13 x × 1.15}/{17 x × 1.3}

\;\; =\;{13}/{17} × \;{115}/{130}=\;{23}/{34}=23: 34

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