Simple Interest Practice Problems: Level 01

Directions: Answer the following practice questions as per the best of your judgment. These questions are based on simple interest.
Q.1.If Rs. 4 becomes Rs. 10 in 50 years at simple interest, the rate % p.a. is
a) 5 %
b) 2 1/2 %
c) 3 1/3 %
d) 3 %
e) 6 %
Q.2. Find out the capital required to earn a monthly interest of Rs. 210 at 7 % simple interest.
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a) Rs. 24000
b) Rs. 30000
c) Rs. 18000
d) Rs. 36000
e) Rs. 72000
Q.3. If Rs. 460 amounts to Rs. 640 in 6 years, what will it amount to in 2 years at the same rate %?
a) Rs.520
b) Rs. 585
c) Rs. 700
d) Rs. 640
e) Rs. 685
Q.4.A certain sum of money amounts to 7/4 of itself in 3 years. The rate percent p.a. is
a) 25 %
b) 20 %
c) 15%
d) 10 %
e) 5 %
Q.5.In what time will Rs. 25 become Rs. 37 at % p.a. simple interest?
a) 1/2 Years
b) 2 Years
c) 2 1/4 Years
d) 2 1/2 Years
e) 3 Years
Q.6.The simple interest on a sum of money is of the principal and the number of years is equal to the rate % p.a. The rate % p.a. is
a) 5 %
b) 2 1/3%
c) 10 %
d) 9 %
e) 3 1/3%
Q7.A moneylender lends Rs. 60 and collects Rs. 66 at the end of four months. The rate of interest p.a. is
a) 5 %
b) 10 %
c) 20 %
d) 30 %
e) 9 %
Q8.A four year Indira Vikas certificate with a maturity value of Rs. 700 is purchased for Rs. 500.
The rate % p.a. is
a) 15 %
b) 7 1/2 %
c) 5 %
d) 10 %
e) 7 %
Q9.In what time period will Rs. 10,000 earn an interest of Rs. 2,000 at 10 % p.a.?
a) 2 years
b) 5 years
c) 6 years
d) 3 years
e) 7 years
Q10.Anoop borrowed Rs. 800 at 6 % p.a. & Rs. 1200 at 7 % p.a. for the same duration. He had to pay Rs. 1584 in all as interest. Find the time period.
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a) 10 years
b) 11 years
c) 12 years
d) 13 years
e) 15 years