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24.	What should be the least number of years in which the simple interest on Rs.2600 at 6x2/3% will be an exact number of rupees?
	A.  2
	B.  3
	C.  4
	D.  5

Solution

S.I. =Rs.(2600 x 20/3 x 1/100 x T) ‹=›Rs.(520 / 3 x T) which is an exact number of rupees when T = 3.

25.	The simple interest on Rs. 10 for 4 months at the rate of 3 paise per rupee per month is
	A.  Rs. 1.20
	B.  Rs. 1.60
	C.  Rs. 2.40
	D.  Rs. 3.60

Solution

S.I. = Rs.(10 x 3 / 100 x 4) = Rs. 1.20.