SSC CHSL 15 Oct 2020 Shift 1 Paper

Question : 75 of 100

Marks: +1, -0

The cost price of 15 pens is equal to the selling price of 20 pens. The loss or profit percentage is

Solution:

Let the CP of 1 pen

=₹ x

Then, CP of 15 pens

=₹ 15 x

∴ SP of 1 pen

={15 x}/{20}=₹ {3}/{4} x

\LOSS=\CP-\SP

=x-{3}/{4} x

=₹ {x}/{4}

Loss percent

={{ \Loss }}/{\CP} ×100

={{x}/{4}}/{x} ×100=25 \%

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