The interest earned on Rs 15000 in 3 years at simple interest is Rs 5400. Find the rate of interest per annum (a) 11.5%      (b) 12%       (c) 12.5%         (d) 15%

The interest earned on Rs15000 in 3 years at simple interest is Rs 5400. Find the rate of interest per annum (a) 11.5% (b) 12% (c) 12.5% (d) 15%

A person deposited Rs 400 for 2 years, Rs 550 for 4 years and Rs 1200 for 6 years. He received the total simple interest of Rs 1020. The rate of interest per annum is (a) 5% (b) 10% (c) 15% (d) 20%

A sum of money amounts to Rs 5200 in 5 years and to Rs 5680 in 7 years at simple interest. The rate of interest per annum is: (a) 3% (b) 4% (c) 5%

The simple interest on Rs 100 for 4 years at 5 % per annum is

At simple interest a sum becomes (49)/(40) of itself in 2 1/2 years. The rate of interest per annum is (a) 7% (b) 8% (c) 12% (d) 9%

The interest on Rs. 30000 for 3 years at the rate of 15% per annum is

Find the sum to be invested to earn a simple interest of Rs. 360 in 8 months at the rate of 15% per annum.

Find the simple interest on Rs. 2560 for 3 years at 15% per annum.