Compound Interest Practice Test 2

Question : 37 of 40

Marks: +1, -0

The simple interest on a certain sum of money for 3 years at 8% p.a. is half the compound interest on Rs. 4000 for 2 years at 10% p.a. The sum invested on simple interest is:

Rs. 2000
Rs. 1750
Rs. 1650
Rs. 1550

Validate

Solution:

Here, C.I.

=4000[(1+10/100)^2-1]

=4000[121/100-1]

=4000×21/100=840

Then S.I. = Rs. 420
Since, required sum

={420×100}/{8×3}=1750

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