# Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:

1
by NaikaKaur816

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by NaikaKaur816

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Explanation :

C.I.= Rs.[4000 x{1 +10 \100}square - 4000]

= Rs.{4000 x 11 \ 10 X 11 \ 10 - 4000}

= Rs. 840

Therefore, Sum = Rs.[420 X 100 \ 3 X 8]

= Rs. 1750 [answer]