The S.I. on a certain sum of money for 5 years at 10% per annum is half the C.I. on Rs. 5000 for 2 years at 12% per annum. The sum placed on S.I. is?
Choose the correct choice from the following answers.
A) 1585 B) 1454 C) 1656 D) 2458 E) 1272
C.I. = [5000 * (1 + 12/100)2 - 5000]
= (5000 * 28/25 * 28/25 - 5000) = Rs. 1272.
Sum = (636 * 100)/(5 * 10)
= Rs.1272
Answer:1272
<result>E</result>
The S.I. on a certain sum of money for 5 years at 10% per annum is half the C.I. on Rs. 5000 for 2 years at 12% per annum. The sum placed on S.I. is?