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Percolation refers to the vertical movement of water through the soil layers.
A certain amount of money, when invested at a simple interest rate of 'r%' per annum, grows to 6 times its original value in 24 y...
A sum is lent on compound interest for 2 years at 13% p.a. If the compound interest on the sum is Rs.3045.9, find the sum.
Arjun deposited Rs. ‘Z’ in a bank offering compound interest of 8% p.a. compounded annually. After 4 years, he invested the amount received from the...
A sum of money doubles itself in 8 years at simple interest. In how many years will it become four times itself at the same rate of interest?
The sum at a certain rate of simple interest becomes Rs. 14880 after 3 years and Rs,16800 after 5 years. Find the simple interest on the same sum at 10%...
Puneet invested Rs. 28,000 for 4.5 years, while Qureshi invested Rs. 8,000 more than Puneet for a duration of 3.5 years in a business. If their combined...
A sum of Rs. 40,000 is invested in SIP 'E' which offers 8% p.a. simple interest for 6 years. The interest received from SIP 'E' is invested in SIP 'F' w...
Simple interest on a certain sum at the rate of (50/3)% per annum for three years is Rs. 1250. Find the sum.
'P' invested a certain sum of money for 2 years at an annual compound interest rate of 20% and earned a total interest of Rs. 660...
A sum of money grows to Rs 9,600 in 2 years when invested at a simple interest rate of 10% per annum. If the same sum of money is invested at the same i...