SSC CHSL Model Paper 19

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Question : 53 of 99

Marks: +1, -0

The difference between the compound interest and simple on Rs. x at 12% per annum for 2 years is Rs. 18. What is the value of x ?

1,250
1,280
1,340
1,300

Solution:

For 2 years.
Difference between C.I. and S.I. =

P×(r/100)^2

18=x×(12/100)^2

⇒

x={18×100×100}/{12×12}

= Rs. 1250

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