SSC CHSL 19 Apr 2021 Shift 3 Paper

Section: Quantitative Aptitude

Question : 59 of 100

Marks: +1, -0

The difference between a number and its three-fifth is 274 . What is

20 \%

of the number?

Solution:

Let the number be

x

.
According to the question,

\;x-\;{3}/{5} x=274

⇒\;\;{5 x-3 x}/{5}=274

⇒\;2 x=1370

⇒\;x=\;{1370}/{2}=685

∴ \;20 \% \;\text " of "\; x=\;{20}/{100} × 685=137

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