SSC CHSL 6 Aug 2021 Shift 1 Paper

Section: Quantitative Aptitude

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Question : 54 of 100

Marks: +1, -0

A reduction of

20 \%

in the rate of sugar enables Sudhir to get

6 {kg}

more sugar for

₹ 960

. What is the reduced rate of sugar in per kg?

₹ 35
₹ 36
₹ 32
₹ 40

Solution:

Let the original price of sugar per kg, be ₹

x

.
Reduced rate of sugar

=\;{x × 80}/{100}

=0.8 x

∴

According to the question,

\;\; \;{960}/{0.8 x}-\;{960}/{x} \;\; =6

⇒ \;\; 1200-960 \;\; =6 x

⇒ \;\; 6 x \;\; =240

⇒ \;\; x=\;{240}/{6} \;\; =₹ 40 \/ {kg}

∴ \;\text " Reduced rate of sugar "\; \;\; =₹ 0.8 x

\;\; =₹(0.8 × 40)

\;\; =₹ 32 \/ {kg}

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