Q. In how many years will a sum of 3000 Rs. yield a simple interest of 1080 Rs. at 12% per annum ?
Answer: 3 years
Notes: $latex Time = \frac{SI\times 100}{Princ.\times Rate}&s=1$
$latex = \frac{1080\times 100}{3000\times 12} = 3\ years&s=1$
Hence option [C] is correct answer.<