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8³ - 8 * 3 = 512 - 24 = 488 5³ - 5 * 3 = 125 - 15 = 110 Similarly, 10³ - 10 * 3 = 1000 - 30 = 970
A person borrowed ₹x at a rate of 10% per annum simple interest. If the total interest paid at the end of 4 years is ₹20,000, what is the principal ...
The simple interest received after 5 years on Rs. (x + 500) at the rate of 20% p.a. is Rs. (2x – 1500). The amount received on Rs. 3x when investe...
A certain sum is invested at a compound interest rate, compounded annually, which grows to Rs. 12,240 after 2 years and to Rs. 17,625.6 after 4 years. I...
The simple interest received on a certain sum is Rs. 480 less than the sum invested. If the sum was invested at 12% p.a. for 7 years, then find the simp...
A sum of ₹20,000 is invested at a compound interest rate of 5% per annum for 4 years. What will be the total amount after 4 years, and what is the tot...
A certain sum of money becomes 4000 in 6 years and Rs. 5000 in 10 years at any certain rate of simple interest. Find the principal amount.
The simple interest on a sum of money is 8/25 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ...
Simple interest received at the rate of 20% p.a. for 8 years on a principal amount of Rs. 6000 is twice of the simple interest received at 10% p.a. for ...
A man invested Rs. 15,000 at simple interest of 'x%' p.a. and received Rs. 30,000 after 2 years. If he had invested Rs. 30,000 at simple interest of 'x%...
