SSC CGL Tier II 21 Sep 2014 Paper

Question : 66 of 100

Marks: +1, -0

If the cost price of an item is two fifth of its marked price and if it is sold at a discount of 10%, then there will be

Solution:

(4) Marked price of article = Rs. x
∴ C.P. of article

=

Rs.

{2 x}/{5}

S.P. of article

= {x × 90}/{100}

=

Rs.

{9 x}/{10}

Gain

= {9 x}/{10}- {2 x}/{5}= {9 x-4 x}/{10}

= {5 x}/{10}= {x}/{2}

∴ Gain per cent

= { {\Gain} × 100}/{ { C.P. }}

= { {x}/{2} × 100}/{ {2 x}/{5}}= {5 × 100}/{4}

= 125 %

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