If simple interest on Rs 600 for 4 years and on Rs 600 for 2 years combined together is Rs 180, find the rate of interest. (a) 4%       (b) 5%        (c) 5.5%         (d) 6.25%

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%

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%

Rs 2000 amounts to Rs 2226.05 in 2 years at compound interest. What will be the rate of interest? (a) 5% (b) 5.25% (c) 5.5% (d) 6%

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%

Simple interest on a principal of Rs. 100 for 2 years at the rate of 5% per annum is ____.

The compound interest on Rs. 800 in 2(1)/(2) years at 5% is

The simple interest on Rs.550 at the rate of 5% p.a. for 2 yeaRs. is ___________.