SSC CHSL 7 Mar 2018 Shift 2 Paper

Section: English Language

Question : 7 of 100

Marks: +1, -0

If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?

Solution:

Let price of oranges = Rs.

100x

per kg
Oranges bought for Rs. 208 =

208/{100x}

New price of oranges =

100x + ( 30/100 × 100x) = Rs. 130x

Oranges bought for Rs. 208 =

208/{130x}

According to ques,
⇒

208 /{ 100x}− 12 = 208/{130x}

⇒

208/{100x }−208/{130x }=12

⇒

208( 1/{100x} − 1/{ 130x}) = 12

⇒

{130x−100x}/{100x×130x} =12/208

⇒

30/{13000x} =3/52

⇒

x =3/ 1300 ×52/3

⇒

x = 52/1300 =1/25

∴ Original price =

100 × 1/25 =Rs. 4

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