40.
|
A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:
|
|
|
Answer: Option C
Explanation:
S.I. for 3 years = Rs. (12005 - 9800) = Rs. 2205.
S.I. for 5 years = Rs.
|
|
2205
|
x 5
|
|
= Rs. 3675
|
3
|
Principal = Rs. (9800 - 3675) = Rs. 6125.
Hence, rate =
|
|
100 x 3675
|
%
|
= 12%
|
6125 x 5
|
