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.

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:

[A].	Rs. 1550
[B].	Rs. 1650
[C].	Rs. 1750
[D].	Rs. 2000

Answer: Option C

Explanation:

C.I.

= Rs.		4000 x		1 +	10		2	- 4000
					100

= Rs.		4000 x	11	x	11	- 4000
			10		10

= Rs. 840.

Sum = Rs.		420 x 100		= Rs. 1750.
		3 x 8

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