A sum when invested at a certain rate of simple interest becomes 3 times itself in 25 years. Find the rate of interest.
Some amount out of Rs. 12000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amou...
The difference between compound and simple interest on a sum of money for 2 years at 5% per annum is Rs. 664. The sum is:
Karan had Rs. 10000 with him. He invested 50% of the sum at 9% p.a. and the rest at 12% p.a., both at simple interest for 2 years each. Find the total i...
The simple interest earned on a principal of Rs. 6400 at an annual interest rate of (p + 4)% for 3 years is the same as the simple interest earned on a ...
Sohan borrowed Rs. 4200 at R% S.I. and Rs. 3800 at (R + 6)% S.I. for 5 years. The total simple interest paid was Rs. 4340. Find the rate charged on Rs. ...
Roshan and Rahul received marks in their quarterly exam in a ratio of 9:8. Additionally, the ratio of marks Roshan obtained in the quarterly exam to the...
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 6000 in 24 months. If the same sum had been invested for 1 year at compound interest...
Rs 2000 are invested at 5% p.a simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs 4000 after
A man invested Rs. 20,000 at simple interest of 10% p.a. If he had instead invested the same sum on compound interest of 10% p.a., compounded annually, ...