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A sum when invested at a certain rate of simple interest becomes 3 times itself in 25 years. Find the rate of interest.
A person invested a sum of Rs. 9000 at r% per annum at simple interest and a sum of Rs. 13500 at (r-4)% at simple interest. If total interest earned on ...
If interest is compounded half-yearly, then find the compound interest on Rs. 8,000 at the rate of 20% per annum for 1 year.
Jupiter borrowed a sum of Rs 31,500 from Mars at the rate of 14% per annum for 3 years. He added some more money in it and lent it to Saturn at the rate...
A sum is lent on compound interest for 2 years at 14% p.a. If the compound interest on the sum is Rs.4194.4, find the sum.
A man invests ₹50,000 in two schemes A and B for 1 year. Scheme A offers 12% simple interest and Scheme B offers 10% compound interest, compounded ann...
Shankar borrowed Rs. 7,200 at simple interest and repaid an amount of Rs. 9,504 after 7 years. If the interest rate p.a charged for first 4 years was 5...
A principal of Rs. 'x' is invested at an annual compound interest rate of 30%, compounded yearly, and grows to Rs. 2535 after 2 years. Calculate the sim...
A certain sum of money becomes Rs. 1250 in 1 year and 2500 in 3 years at certain rate of simple interest. Find the sum of money invested.
How long will a sum of money take to double, if it is invested in 9% p.a. simple interest?(approx).
