## Maths Quiz on Compound Interest & Installments for SSC CGL, SSC CPO,Railway Non-Technical Exam

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# Maths Quiz on Compound Interest

1. The difference between Compound interest and simple interest on Rs 2500 for 2 years at 4 per annum is
(A) Rs 40
(B) Rs 45
(C) Rs 14
(D) Rs 4
2. A sum becomes Rs 4500 after 2 years and Rs 6750 after 4 years at compound interest. The sum is
(A) Rs 4000
(B) Rs 2500
(C) Rs 3000
(D) Rs 3050
(E) None
3. A sum doubles itself in 6 years at compound interest. The sum will be eight times at the same rate of interest in
(A) 15 years
(B) 12 years
(C) 18 years
(D) 10 years
(E) None of these
4. If the difference between the compound interest and simple interest on a sum at 5% rate of interest per annum for 3 year is Rs 36.60, then the sum is
(A) Rs 8000
(B) Rs 8400
(C) Rs 4400
(D) Rs 4800
(E) None of these
5. A sum of money invested at compound interest amounts in 3 years to Rs 2400 and in 4 years to Rs 2520. The interest rate per annum is
(A) 5%
(B) 6%
(C) 10%
(D) 12%
6. The difference between the simple and compound interest on a certain sum of money at 5% rate of interest per annum for 2 years is Rs 15. Then the sum is
(A) Rs 6500
(B) Rs 5500
(C) Rs 6000
(D) Rs 7000
7. A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:
(A) Rs 120
(B) Rs 121
(C) Rs 122
(D) Rs 123
8. A person borrowed a sum of Rs 6000 at 10% p.a., interest compounded annually. If the money is to be repaid in three equal annual installment, each payable at the end of the year, then what is the value of each installment?
(A) Rs 2000
(B) Rs 2413
(C) Rs 2314
(D) Rs 2662
9. Three equal installment, each of Rs 200, were paid at the end of year on a sum borrowed at 20% compound interest compounded annually. Find the sum.
(A) Rs 600
(B) Rs 400
(C) Rs 421.30
(D) Rs 432.10
10. A man borrows a certain sum of money and pays it back in 2 years in two equal installments. If C.I. is reckoned at 5% per annum and he pays back annually Rs. 441, what sum did he borrow?
(A) Rs 800
(B) Rs 820
(C) Rs 882
(D) Rs 850