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The TrueDiscount on a certain sum of money due 3 years hence is Rs.250 and SimpeInterest on the same sum for same time and same rate is Rs375. Find sum and rate%?

(16 + 4/3)%
(16 +1/3)%
(16 + 5/3)%
(16 + 2/3)%

Correct Answer: (16 + 2/3)%

Explanation:

sum = [(S.I x T.D)/(S.I-T.D)] = Rs. [(375 x 250)/(375-250)] = Rs.750

Rate = (100 x 375)/(750 x 3) = $16 \frac{2}{3}$ %

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