Question

18. The simple interest on a certain sum at 5% per
annum for 3 years and 4 years differ by Rs. 42. 8.
The sum is :
(1) Rs. 720 (2) Rs. 760
(3) Rs. 840 (4) Rs. 960​

Answer 1

Answer:

simple interest formula

S.I = P*I*N

Difference between

P( 0.05*4 - 0.05*3) = 42

P= 42/0.05

sum will be ₹840

The correct answer will be option C.