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A sum doubles in 9 years at simple interest. Find the rate of interest per annum is.
The interest received by investing Rs. 2900 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple int...
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...
A certain sum when invested for 3 years in a scheme offering simple interest of 15% p.a. gives an interest of Rs. 693. What is 125% of the sum invested?
If a sum when placed at compound interest grows to Rs.6,400 in 2 yrs and to Rs. 8,000 in 3 yrs, find the rate percent p.a.
...A certain amount becomes four times itself when invested at r% per annum simple interest for 12 years. What is the value of r?
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2000 after 4 years. If the same amount is investe...
Shivam invested 24000 at 15% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.26400. What is t...
Ankit and Bhupesh invested a certain amount for 5 months and 7 months respectively. The ratio of the profits earned by Ankit to t...
