What is a difference between simple interest and compound interest in 1 year at a rate of 10 percent on an amount of Rs. 1200. If interest is half yearly compounded?

Vijay lent Rs.5000. At what rate percent per annum he lent the money?
Statement I: The difference between the simple interest and compound interest on same money is Rs.60.
Statement II: The simple interest obtained after 4 years is Rs.300.
Statement III: The difference between compound interest and simple interest on Rs.60,000 in 2 years is Rs.1350.

If the compound interest rate is 20% per annum compounded half yearly, then what will be the interest for two years on the principal of Rs. 100000?

The ratio between compound interest and simple interest for a certain amount is 43 : 40 for 2 years, the find the rate of interest.

A certain sum increases by 50 % in 5 years. Three sums x, y and z are lent for 10, 15 and 20 years respectively. If amount on each sum is equal, then find the ratio of x, y and z. 

In what time will ₹ 64,000 amount to ₹ 68,921 at 5 % per annum interest being compounded half yearly? 

A certain amount of money earns ₹ 540 as simple interest in 3 years. If it earns compound interest of ₹ 376.20 at the same rate of interest in 2 years, find the principal (in Rupees). 

The compound interest earned in two years at 12% per annum Rs 10176. What is the sum (in Rs) invested?