Question
For a =-4 and b = 5, value of a² – b²
is:Solution
a = -4, b = 5 a² – b² =(a+b) (a-b) = (-4+5) (-4-5) =-9.
Simple interest earned on an amount of Rs.1400 at rate of R% per annum after 4 years is Rs.336. Find the simple interest earned on an amount of Rs.1600 ...
A man invested a certain amount of sum at 15% per annum simple interest and earned an interest of Rs.2100 after 2 years. If the same amount is invested ...
Atul invested in scheme A and B that provide simple interest at the rate of 12% and 15% for 3 years and 5 years, respectively. Interest received from sc...
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
A certain sum of money will be doubled in 25 years at the rate of simple interest percent per annum is:
A sum of Rs.100 is lent to be returned in 110 months installments of Rs.10 each, interest simple. The rate of interest is: -
The compound interest received on investing Rs. 10,000 for 2 years at 'y'% p.a., compounded annually is Rs. 3,689. The simple interest earned on investi...
A man invested a sum of Rs. 25,000. He invested some part at 5% p.a. and remaining at 5.5% p.a.
How much money did he invest at 5% p.a.?
...
A sum doubles in 20 years at simple interest. What is the rate of interest?
- Aman invested Rs. x at a simple interest rate of 15% per annum. If after 6 years, the total interest earned was Rs. ‘2x – 1800’, then find the value ...
