Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs. 6500 for 2 years at 14% per annum. The sum placed on simple interest is Choose the correct option.
A) Rs.6500	B) Rs.1947.4	C) Rs.973.7	D) Rs.2000	E) None
Solution   C.I.	=Rs[6500x(1+14/100)Â²-6500]   Rs.(6500x114/100x114/100-6500)	= Rs.1947.4.   Sum	=Rs. [973.7x100 /3x10]   = Rs.3245.67.   Answer None
<result>E</result>
Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs. 6500 for 2 years at 14% per annum. The sum placed on simple interest is