Question

A man had rs.75000.He invested on rs.35000 in a company which pays him 9% interest per annum and he invested rest of the money in another company which pays him 9.5% interest per annum . find the total compound interest recieved by him after two years.

Answer 1

1st part
P= Rs.35000
r= 9% p. a.
T=2 years
A=35000[1+9/100]^2
= 35000[109/100]^2 = 35000*11881/10000
=Rs.41583.5
CI=Rs.41583.5-Rs.35000=Rs.6583.5
2nd part
P =Rs. 75000-Rs. 35000=Rs. 40000
r=9.5% p.a.
T= 2 years
A=40000[1+9.5/100]^2=40000[109.5/100]^2
=40000*11990.25/10000=Rs.47961
CI=Rs.47961-Rs. 40000=Rs.7961
CI^2+CI^1=Rs. 6583.5+Rs. 7961=Rs.14544.5

Answer 2

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