Learn Step by Step Simple Interest Problems through videos,Simple Interest Questions and Answers, Simple Interest Aptitude Problems&quot

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2. Chapter : Simple Interest
TEST - 1

3. 1. At the rate of 8 1/2% p.a. simple interest, a sum of
Rs. 4800 will earn how much interest in 2 years 3
months ?
A.Rs. 796 B.Rs. 816 C.Rs. 918 D.Rs. 956
Ans : Option A
Explanation:

4. 2. What will be the simple interest earned on an
amount of Rs. 16,800 in 9 months at the rate of
6 1/4% p.a. ?
A. Rs. 787.50 B.Rs. 812.50 C.Rs. 860 D.Rs. 887.50
Ans: Option A
Explanation:
Total sale for 5 months = Rs. (6435 + 6927 + 6855 + 7230 +
6562) = Rs. 34009. Required sale = Rs. [ (6500 x 6) – 34009 ]
= Rs. (39000 – 34009) = Rs. 4991.

5. 3. The simple interest on Rs. 1820 from March 9,
2003 to May 21, 2003 at 7 1/2% rate will be
A.Rs. 22.50 B.Rs. 27.30 C.Rs. 28.80 D.Rs. 29
Ans : Option D
Explanation:
Average of 20 numbers = 0. Sum of 20 numbers (0 x 20) =
0. It is quite possible that 19 of these numbers may be
positive and if their sum is a then 20th number is (-a).

6. 4.A person borrows Rs. 5000 for 2 years at 4% p.a.
simple interest. He immediately lends it to
another person at 6 1/4% p.a. for 2 years. Find
his gain in the transaction per year.
A.Rs. 112.50 B.Rs. 125 C.Rs. 150 D.Rs. 167.50
Ans : Option C
Explanation:
Total weight increased = (8 x 2.5) kg = 20 kg. Weight of
new person = (65 + 20) kg = 85 kg.

7. 5. How much time will it take for an amount of Rs.
450 to yield Rs. 81 as interest at 4.5% per annum
of simple interest ?
A.3.5 years B.4 years C.4.5 years D.5 years
Ans : Option A
Explanation :
Let the average age of the whole team by x years. 11x –
(26 + 29) = 9(x -1) 11x – 9x = 46 2x = 46 x = 23. So, average
age of the team is 23 years.

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