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Simple Interest Questions and Answers
Q1. At what rate percent of simple interest will a sum of money double itself in 12 years ?
A. 17/2 %
B. 33/4 %
C. 25/3 %
D. 19/2 %
Q2. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest ?
A. 6%
B. 3%
C. 5%
D. 4%
Q3. Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years ?
A. Rs. 1020.80
B. Rs. 1025
C. Rs. 1068
D. Rs. 1052
Q4. Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the-amount invested in Scheme B ?
A. Rs. 6500
B. Rs. 7500
C. Rs. 7200
D. Rs. 6400
Q5. In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum ?
A. 9/4 years
B. 5/4 years
C. 11/4 years
D. 7/4 years
Q6. The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is :
A. 0.1%
B. 0.3%
C. 0.4%
D. 0.2%
Q7. Nitin borrowed some money at the rate of 6% p.a. for the first three years, 9% p.a. for the next five years and 13% p.a.for the period beyond eight years. If the total interest paid by him at the end of eleven years is Rs. 8160, how much money did he borrow ?
A. Rs. 2,000
B. Rs. 12,000
C. Rs. 8000
D. Rs. 10,000
Q8. A lends Rs. 2500 to B and a certain sum to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receives Rs. 1120 as interest from B and C, then the sum lent to C is :
A. Rs. 700
B. Rs. 6500
C. Rs. 1500
D. Rs. 4000
Q9. At what rate percent per annum will the simple interest on a sum of money be  of the amount in 10 year ?
A. 4%
B. 6%
C. 20/3 %
D. 17/3 %
Q10. What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum ?
A. Rs. 112
B. Rs. 122
C. Rs. 120
D. Rs. 118.80
