SSC CGL Quantitative Aptitude Sample Questions 2016 – Interest

1.  A sum becomes double in 8 years. Find the rate of simple interest per annum.
(A)        10%
(B)        12.5%
(C)        15%
(D)        20%

2.  The compound interest on Rs.1800 at 10% per annum for a certain period of time is Rs.378. Find the time (in years).
(A)        3 years
(B)        2.5 years
(C)        2 years
(D)        1.5 years

3.  The simple interest on Rs.4000 in 3 years at the rate of x% per annum equals the simple interest on Rs.5000 at the rate of 12% per annum in 2 years. What is the value of x?
(A)        10
(B)        6
(C)        8
(D)        9

4.  A certain amount of money earns Rs.5400 as simple interest in 3 years. If it earns a compound interest of Rs.3762 at the same rate of interest in 2 years. Find the amount of investment.
(A)        Rs.21000
(B)        Rs.16000
(C)        Rs.18000
(D)        Rs.20000

5.  The difference between the compound interest and the simple interest on a certain sum of money at 20% per annum for 2 years is Rs.480. What is the sum of money?
(A)        Rs.10000
(B)        Rs.12000
(C)        Rs.15000
(D)        Rs.20000

6.  If the simple interest on a certain sum of money for 3 years at the rate of 10.75% per annum is Rs.19350, what will be the compound interest on the same sum of money for the same period at the rate of 10% per annum?
(A)        Rs.21504.66
(B)        Rs.21405
(C)        Rs.19860
(D)        Rs.20505