SSC CHSL 6 Dec 2015 Shift 2 Paper

Question : 137 of 200

Marks: +1, -0

By selling an article for ₹450. I lose 20%. For what amount should I sell il to gain 20% ?

Solution:

Selling price = Rs. 450 and loss % = 20%
⇒ Cost price =

450/(100−20) ×100

450 ×5/ 4 =Rs. 562.50

∴ Selling price to gain 20% =

(100+20)/100×562.50

6/5×

562.50 = Rs. 675

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