Answer : Option A
Explanation :
S.P. = 102% of Rs. 600 = 102 x 600 / 100= Rs. 612.Now, P.W. = Rs. 612 and sum = Rs. 688.50.T.D. = Rs. (688.50 - 612) = Rs. 76.50.Thus, S.I. on Rs. 612 for 9 months is Rs. 76.50.Rate =100 x 76.50 / 612 x 3 / 4)%= 16 2/3%