In how many years will a certain sum become 3 times itself at 25% per annum under simple interest? 5 (b) 8 12 (d) 6

Options

A. 5
B. 8
C. 12
D. 6

Answer

B

Explanation

Let the sum be Rs. P
`therefore " Amount" = Rs. 3p`
` rArr " Interest" = Rs. 2p`
Given, R = 25%,
` I = (PTR)/(100), 2P = (P xx T xx 25)/(100), 200 = 25T`
`T = (200)/(25) = 8`
Time period = 8 years
Hence, the correct option is (b).