SSC CHSL Model Paper 13

Question : 54 of 100

Marks: +1, -0

The difference between the compound interest and simple interest on Rs. x at 9% per annum for 2 years is Rs. 20.25. What is the value of x?

Solution:

For 2 years,
Difference between compound interest and simple interest

=\P×(r/100)^2

⇒20.25=x×(9/100)^2

⇒x={20.25×100×100}/{9×9}

= 2500

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