Question

The si on a certain sum of money for 12 months at the rate of 6.5% per annum exceeds the si on the same sum at 11.5% per annum for 6 months by 2718 find the sum

Answer 1

Let the sum = Rs.P,

T1=812years

T2=1512years

According to the question,

P×5×15100×12−P×4×8100×12=129

=43P1200=129

P= Rs. 3600

According to the question,

=Rs.3600