Divide Rs. 1301 between A and B, so that the amount of A after 7 years is equal to the amount of B after 9 years, the interest being compounded at 4% per annum.
Options:
A . 666, 635
B . 676, 625
C . 680, 621
D . 690, 611
Answer: Option B
Let the two parts be Rs. x and Rs. (1301 - x). x(1+4/100)^7 =(1301-x)(1+4/100)^9 x/(1301-x)=(1+4/100)^2=(26/25*26/25) 625x=676(1301-x) 1301x=676*1301 x=676 So,the parts are rs.676 and rs.(1301-676)i.e rs.676 and rs.625.
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