If the ratio of the sum invested and simple interest received after 1 year is 20:9 respectively, then find the rate of interest.
Let the sum invested and simple interest received be Rs.20x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 9x => r = 45%
A took a loan of Rs.5520 at simple interest of 25% p.a. and invested the same money in a scheme at simple interest of 35% p.a. Find the profit earned by...
The interest received by investing Rs. 4500 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple int...
A sum of 10,500 amounts to 13,825 in 3.8 years at a certain rate percent per annum simple interest. What will be the simple interest on the same sum for...
'S' undertook an investment endeavor by allocating a capital denoted as 'a + 1000' into a scheme yielding a straightforward interest rate of 20% per ann...
Rs. (X+500) is invested in scheme A for 5 years at 10 % simple interest. The received amount is then invested in another scheme B offering 10% interest ...
If the difference between the simple interest and compound interest, compounded annually, received on a principal amount of Rs. 25000 at an interest rat...
Rs. (4x + 200) is invested at a simple interest rate of 18% per annum, earning an interest of Rs. 2160 after 4 years. Calculate the interest earned when...
'P' invests a certain amount at an annual compound interest rate of 15% for two years, earning Rs. 3870 in interest. He then reinvests the total sum she...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2700 after 3 years. If the same amount is investe...
A certain sum of money will be doubled in 25 years at the rate of simple interest percent per annum is:
