Interest – Aptitude MCQ Questions – 11

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Question 1
In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum?



Question 2
Jhon invested a sum of money at an annual simple interest rate of 10%. At the end of four years the amount invested plus interest earned was Rs. 770. The amount invested was = ?



Question 3
The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is = ?



Question 4
In a certain time, the ratio of a certain principal and interest obtained from it are in the ratio 10 : 3 at 10% interest per annum. The number of years for which the money was invested is = ?



Question 5
A person who pays income tax at the rate of 4 paise per rupee, find that fall of interest rate (income tax) from 4% to 3.75% diminishes his net yearly income by Rs. 48. What is his capital ?



Question 6
In what time will Rs. 1860 amount to 2641.20 at simple interest 12% per annum ?



Question 7
If a sum doubles in 6 years, how much will it be in 8 years ?



Question 8
The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is:



Question 9
The sum invested in scheme B is thrice the sum invested in scheme A. The investment in scheme A is made for 4 years at 8% p.a. simple interest and in scheme B for 2 years at 13% p.a. simple interest. The total interest earned from both the schemes is Rs. 1320. How much amount was invested in scheme A?



Question 10
Rs. 12000 is divided into two parts such that simple interest on the first part for 3 years at 12% per annum may be equal to the simple interest on the second part for 4*1/2years at 16% per annum. The ratio of the first part to the second part is = ?



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