A is half as efficient as B. C does half as much work as A and B together. If c alone can do the work in 40 days. Then in how many days will A, B and C together finish the work?
The difference between compound interest and simple interest at rate of 20% per annum for 2 years is Rs. 240. Find the simple interest obtained on same ...
Akshay invested Rs. 1050 in two schemes P and Q in the respective ratio of 5:2. Scheme P and Q are offering simple interest at the rate of 8% per annum ...
The difference between compound and simple interest on a sum of money for 2 years at 25% per annum is Rs. 880. The sum is:
The simple interest on a sum of money is 9/20 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ...
Simple interest earned on an amount of Rs. 2000 at rate of R% per annum after 4 years is Rs. 288. Find the simple interest earned on an amount of Rs. 15...
If Rs. 12000 is invested at a simple interest at the rate of 5% p.a., Rs. 4800 is obtained as interest in certain years. In order to earn Rs. 6400 as i...
If an amount of Rs. 'x' is invested at an annual compound interest rate of 20%, it grows to Rs. 'x + 2200' after 2 years. Calculate the value of 'x + 22...
How long will a sum of money take to double, if it is invested in 9% p.a. simple interest?(approx).
The simple interest on a certain sum of money at the rate of 7.5% p.a. for 8 years is ₹4,080. At what rate of interest can the same amount of interes...
The compound interest on a certain amount for 2 years at 4% per annum is ₹ 1,020, if interest is compounded annually. Find the simple interest on that...
