Question

Ram lend at simple interest rs 900 for 4 years and rs 800 for 5 years to mohan. He received rs 304 as the total amount of interest on both the sums. Find the rate of interest

Answer 1

Answer:

Solution:

Let each installment be x,

10000=x/(1+8/100) + x/(1+8/100)2 + x/(1+8/100)3

10000=x{25/27 + (25/27) 2 + (25/27) 3}

=x*25/27(1 + 25/27 + 625/729)

=25x/27 (2029/729)

x =3880.335

Step-by-step explanation: