SSC CHSL 4 Mar 2018 Shift 1 Paper

Section: General Awareness

Question : 86 of 100

Marks: +1, -0

The simple interest on a sum for 8 years is Rs 47500. The rate of interest for the first 5 years is 10% per annum and for the next 3 years is 15% per annum. What is the value (in Rs) of sum?

50000
60000
45000
62500

Validate

Solution:

Let the sum = Rs.

100x

Rate of interest for first 5 years = 10% and for next 3 years = 15%
⇒ Simple interest =

{P×R×T}/100

⇒

({100x×10×5}/100)

+({100x×15×3}/100)= 47500

⇒

50x + 45x = 47500

⇒

x = 47500/95 =500

∴ Sum = 100 × 500 = Rs. 50, 000

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