Simple Interest

The simple interest on Rs. 25 for a quarter year at the rate of 3 paise per rupee per month is :

Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5%, the whole annual interest from both the sum is Rs.85. How much was lent at 5% ?

A person takes a loan of Rs. 200 at 5% simple interest. He returned 50% of principal at the end of one year. In order to clear his dues at the end of 2 years, he would pay :

A financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:

A person invests some money in two banks in the ratio of 7:5. The rate of SI on first investment is 17%, but overall annual interest on total investment is 19.5%. Find his total investment if interest gain by in second investment is Rs 460?

A sum was put at simple interest at a certain rate for 10 years. Had it been put at 5% higher rate, it would have fetched Rs.600 more. What was the Sum?

A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate of interest per annum is:

A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs 360 more. Find the sum.

With a given rate of SI the ratio of principal and amount for a certain period of time is 4:5. After 2.5 years, with the same rate of interest, the ratio of the principal and amount becomes 5:7. Find the rate of interest?

A certain sum earns simple interest of Rs. 1750 in 7 years. Had the interest been 2% more, how much more interest would it have earned?