Goods were bought for Rs. 600 and sold the same for Rs. 688.50 at a credit of 9 months and thus gaining 2% The rate of interest per annum is: Select.
A) 6 2/3% B) 6 2/8% C) 6 4/3% D) 8 2/3% E) 2 2/3%
S.P. = 102% of Rs. 600 = 102	x 600 = Rs. 612.   100   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	%	= 16%   612 x	3   4   6 2/3%nswer: 6 2/3%
<result>A</result>
Goods were bought for Rs. 600 and sold the same for Rs. 688.50 at a credit of 9 months and thus gaining 2% The rate of interest per annum is: