A sum of Rs 28500 is lent out at 6.4% per annum simple interest for 10 years. What will be the amount after 10 years?

Rs 285000 Rs 46740 Rs 40290 Rs 32480

Rs 46740

Simple Interest = $\frac{P \times R \times T}{100}$                        = $\frac{28500 \times 6.4 \times 10}{100}$                        = 18240 Amount = Principal + SI              = 28500 + 18240              = Rs 46740