Dear Aspirants,
Here, I am not providing solutions—these are purely practice questions designed to strengthen your problem-solving abilities. I encourage you to solve these questions independently. If you find yourself stuck, don’t rush to seek help. Instead, pause, think, rethink, and think again until you discover the solution on your own.
First, focus on understanding the basic concepts thoroughly. Once you have a strong foundation, tackling these questions will become much easier. Our YouTube videos and courses available in the Jayakrishnan EduTips app are designed to help you grasp the core concepts of quantitative aptitude for any competitive exam. Utilize these resources to build your understanding.
Remember, these questions are meant for practice, not for explanations or shortcuts. Challenge yourself, embrace the struggle, and learn from it. Most importantly, always keep in mind the golden rule: Practice makes improvement.
Wishing you all the best in your preparation journey!
Jayakrishnan Ramachandran
Director, Jayakrishnan EduTips
Now let's dive into the questions
1) A sum of money was put at simple interest at x% p.a. for 3 years. Had it been at (x + 1)% p.a., it would have fetched Rs. 48 more. The sum (in Rs.) is:
(A) 1,800 (B) 1,500 (C) 1,750 (D) 1,600
2) A worker borrowed some money on simple interest at the rate of 6% p. a. for the first 3 years, at the rate of 9% p. a. for the next 3 years, and at the rate of 14% p. a. for the period beyond 6 years. If he paid a total interest of Rs. 6,490 at the end of 7 years, how much money did he borrow?
(A) Rs. 12,500 (B) Rs. 11,000 (C) Rs. 12,000 (D) Rs. 10,000
3) If the simple interest on a certain sum for 2&(2/3) years at 15% p.a. is Rs. 514.80 less 3 than simple interest on the same sum for 4&(1/4) years at 12% p.a., then the sum is?
(A) Rs. 4,680 (B) Rs. 4,784 (C) Rs. 4,580 (D) Rs. 4,860
4) A person lent out a certain sum at 12% p.a. simple interest. In 10 years, the interest was Rs.2,148 more than the sum. The sum was:
(A) Rs. 10,740 (B) Rs. 11,540 (C) Rs. 10,850 (D) Rs. 10,600
5) The difference of simple interest on a sum of money for 8 years and 10 years is Rs 200. If the rate of interest is 10 % p.a, then what is the sum of money?
(A) Rs. 1,600 (B) Rs. 1,000 (C) Rs. 1,200 (D) Rs. 1,400
6) Latha deposited an amount Rs. 35,000 in a bank with simple interest 11% per annum. How much interest will she earn after one year?
(A) Rs. 3,370 (B) Rs. 3,850 (C) Rs. 3,220 (D) Rs. 3,500
7) If the present amount is Rs.87,750 with 8% rate of interest in four years, then what was the principal amount?
(A) Rs. 69,345.6 (B) Rs. 56,896.98 (C) Rs. 66,477.2 (D) Rs. 78,456.34
8) A person borrows Rs. 7,000 for 3 years at 5% p.a. simple interest. He immediately lends it to another persons at 6&(1/3)% p.a for 3 years. Find his gain in the transaction per year.
(A) Rs. 92 (B) Rs. 95.33 (C) Rs. 93.33 (D) Rs. 90
9) Find the simple interest on Rs. 74,000 at 56/3 per annum for a period of 8 months?
(A) Rs. 9,486.32 (B) Rs.8,956.74 (C) Rs.8,458.96 (D) Rs.9,208.88
10) A person deposits Rs. 8,000 in a bank which pays 8% p.a. simple interest. The amount after 8 years will be:
(A) Rs. 10,784 (B) Rs.12,545 (C) Rs.12,600 (D) Rs.13,120
11) The sum of simple interest on a sum at 8% p.a. for 4 years and 8 years is Rs. 960. The sum is:
(A) Rs. 900 (B) Rs. 1000 (C) Rs. 800 (D) Rs. 1100
12) A man took a loan from a bank at the rate of 11% p.a. simple interest. After three years, he had to pay Rs. 9570 interest only for the period. The principal amount borrowed by him was:
(A) Rs. 27,685 (B) Rs. 25,000 (C) Rs. 29,000 (D) Rs. 26,545
13) At simple interest Gaurav borrows Rs. 1,500 from Sandeep at the rate of 14% per annum. What amount of money should Gaurav pay to Sandeep after 1 year to clear the debt?
(A) Rs. 1,700 (B) Rs. 1,710 (C) Rs. 1,705 (D) Rs. 1,715
14) What is the simple interest on a sum of Rs. 99,000 at 12.5% per annum for a period of 9 months?
(A) Rs. 8,281.25 (B) Rs. 9,281.25 (C) Rs. 9,282.25 (D) Rs. 7,281.25
15) A sum of 24,000 amounts to 25,008 in three years at simple interest at the rate of x% per annum. If the interest rate becomes (x + 2.6)%, then the revised maturity amount will be:
(A) 25,330 (B) 25,200 (C) 25,320 (D) 25,420
16) Find the simple interest on Rs. 2000 for 2 years at the rate of 5% per annum.
(A) Rs. 200 (B) Rs. 100 (C) Rs. 500 (D) Rs. 400
17) Which of the following statement is correct?
I. If amount = Rs. 26500, time = 5 years, and rate of interest = 16.5 percent per annum, then the principal is Rs. 14000 on simple interest.
II. If principal = Rs. 22000, amount = Rs. 39160 and time = 6 years, then at simple interest rate of interest is 13 percent per annum.
(A) Only II (B) Neither I nor II (C) Both I and II (D) Only I
18) What should be the principal if the simple interest earned at the rate of 10 percent per annum is Rs. 1000 at the end of 5 years?
(A) Rs. 2500 (B) Rs. 1000 (C) Rs. 1500 (D) Rs. 2000
19) A sum of Rs. 6,000 amounts to Rs. 7,800 in 4 years at simple interest. If the interest rate is increased by 2.5%, then the same sum in same time would amount to:
(A) Rs. 8,600 (B) Rs. 9,200 (C) Rs. 8,400 (D) Rs. 8,500
20) If the annual rate of simple interest increases from 11% to 17.5%, a person's yearly income increases by Rs. 1,071.20. The principal amount invested (in Rs.) is:
(A) 16,480 (В) 19,120 (C) 17,250 (D) 10,710
21) If the annual rate of simple interest increases from 11% to 17.5%, then a person's yearly income increases by Rs. 1,071.20. The simple interest (in Rs.) on the same sum at 10% for 5 years is:
(A) 9,120 (B) 8,240 (C) 16,480 (D) 7,250
22) Rs. 4,300 becomes Rs. 4,644 in 2 years at simple interest. Find the principle amount that will become Rs. 10,104 in 5 years at the same rate of interest
(A) Rs. 5,710 (B) Rs. 8420 (C) Rs. 9,260 (D) Rs. 7,200
23) The rate of simple interest on a sum of money is 5% p.a. for the first 4 years, 8% p.a. for the next 3 years and 10% p.a. for the period beyond 7 years. If the simple interest accumulated by the sum over a period of 10 years is Rs. 1,850, then the sum is:
(A) Rs. 1,650 (B) Rs. 2,750 (C) Rs. 2,500 (D) Rs. 1,500
24) When two equal amounts are deposited for 5 years and 3 years at a rate of 7% and 9% per annum respectively, and the difference of their simple interest is Rs. 475. Then find the deposited amount.
(A) Rs. 5,937.5 (B) Rs. 6,037.5 (C) Rs. 5,837.5 (D) Rs. 5,992.5
25) The rate of simple interest for first two years is 8% p.a., for the next 4 years, it is 10% p.a. and for the period beyond 6 years, it is 12% p.a. If a person gets Rs. 18358.60 as simple interest after 9 years, then how much money (in Rs.) did he invest?
(A) 19674 (B) 20087 (C) 19955 (D) 21075
26) A sum of money was lent in two parts in the ratio 4: 5 for 4 years and 5 years respectively, both at the rate of 8% per annum simple interest. If the difference between the interests earned from the two parts is Rs.4680, then what was the total sum lent (in Rs.)?
(A) 42120 (B) 58500 (C) 65000 (D) 46800
27) A certain sum is lent at 4% p.a. for 3 years, 8% p.a. for the next 4 years, and 12% p.a. beyond 7 years. If for a period of 11 years, the simple interest obtained is Rs. 27,600, then the sum is (in Rs):
(A) 27,000 (B) 30,000 (C) 25,000 (D) 32,000
28) The rate of interest for the first 2 years is 6% p.a., for the next 3 years is 10% p.a. and for the period beyond 5 years is 12% p.a. If a person gets Rs. 12,771 as simple interest after 7 years, then how much money did he invest?
(A) Rs. 19,350 (B) Rs. 19,450 (C) Rs. 19,300 (D) Rs. 20,000
29) At what rate per annum will a sum of Rs. 15,800 become Rs. 21,488 after 18 months, at simple interest?
(A) 16% (B) 12% (C) 24% (D) 18%
30) A sum of Rs. 95 amounts to Rs. 105 in 3 years at a certain rate of simple interest. In 5 years, at the same rate of interest, what will a sum of Rs. 171 amount to:
(A) Rs. 201 (B) Rs. 175 (C) Rs. 215 (D) Rs. 189
31) Suresh lent out a sum of money to Rakesh for 5 years at simple interest. At the end of 5 years, Rakesh paid 9/8 of the sum to Suresh to clear out the amount. Find the rate of simple interest per annum.
(A) 3.5% per annum (B) 2.5% per annum (C) 3% per annum (D) 2% per annum
32) At which rate of simple interest does an amount become double in 12 years?
(A) 8% (B) 8&(1/3)% (C) 7&(2/3)% (D) 8&(4/5)%
33) If the total simple interest on a sum of Rs. 1,400 for 4 years at rate of interest x% p.a. and on the same sum for two years at the same rate, is Rs. 672, then the value of x is:
(A) 6% (B) 10% (C) 9% (D) 8%
34) If the simple interest for 9 years be equal to 45% of the principal, then the rate of interest per annum is equal to:
(A) 6% (B) 5% (C) 9% (D) 8%
35) Find the rate of interest if amount after 2 years on simple interest on a capital of Rs. 1000 is Rs.1200.
(A) 5 percent (B) 20 percent (C) 10 percent (D) 15 percent
36) A sum of money becomes 6 times at simple interest in 15 years. What is the rate of interest?
(A) 16.75 % (B) 8.5 % (C) 33.33 % (D) 30.5 %
37) The simple interest on a certain sum of money at the rate of 8% p.a. for 9 years is Rs. 2,880. At what rate of interest can the same amount of simple interest be received on the same sum in 6 years?
(A) 12% (В) 10.5% (C) 10% (D) 14%
38) A person invested Rs. 2,000 on simple interest for 7 years to obtain a total amount of Rs. 3,400 on a certain annual rate of interest. What was the rate of interest to obtain the above amount ?
(A) 8% (B) 9% (С) 10% (D) 7%
39) If in 13 years fixed sum doubles at simple interest, what will be the interest rate per year? (correct to two decimal places)
(A) 7.69% (B) 8.69% (C) 7.92% (D) 7.29%
40) At what rate of interest will a sum of Rs. 4,500 amount to Rs. 6,525 at simple interest for 5 years?
(A) 8% (B) 9% (C) 10% (D) 12%
41) In what time will a sum of Rs. 10,200 yield Rs. 13,005 as simple interest at the rate of 17% per annum?
(A) 7 years 6 months (B) 7 years 3 months (C) 7 years 9 months (D) 8 years
42) In a certain time, a sum of money becomes five times itself if the rate of the interest is 16% p.a. Then the certain time (in years) is:
(A) 30 (B) 38 (C) 32 (D) 25
43) In how may years shall Rs. 3,500 invested at the rate of 10% simple interest per annum, amount to Rs. 4,500?
(A) 2&(4/7) years (B) 2&(3/7) years (C) 2&(6/7) years (D) 2&(5/7) years
44) In how many years will the simple interest on a sum of money be equal to the principle at rate of 50/4% p.a.?
(A) 8 years (B) 5 years (C) 7 years (D) 6 years
45) In how much time will a sum of Rs 24 become Rs 56 at 16% simple interest per annum?
(A) 6 years 11 months (B) 8 years 4 months (C) 7 years 8 months (D) 6 years 5 months
46) In how many years will a sum of & 5000 yield a simple interest of rs. 2000 at an interest rate of 10 p.a.?
(A) 5 years (B) 4 years (C) 3 years (D) 6 years
47) A person borrowed 1,200 at 8% p.a. and Rs. 1,800 at 10% p.a. as simple interest for the same period. He has to pay Rs. 1,380 in all as interest. Find the time period.
(A) 4 years (B) 10 years (C) 6 years (D) 5 years
48) A sum at simple interest becomes two times in 8 years at a certain rate of interest p.a. The time in which the same sum will be 4 times at the same rate of interest at simple interest is:
(A) 25 years (B) 20 years (C) 30 years (D) 24 years
49) In how many years, will 5,450 amount to 8,175, if invested at simple interest at the rate of 12.5% per annum?
(A) 3 (B) 4 (C) 6 (D) 5
50) Sunita invested Rs. 12,000 on simple interest at the rate of 10% p.a. to obtain a total amount of Rs. 20,400 after a certain period. For how many years did she invest to obtain the above amount?
(A) 9 (B) 6 (C) 7 (D) 8
51) In how much time will the simple interest 6 on a certain sum of money be 6/5 times of the sum at 20% per annum?
(A) 6 years (B) 5 years (C) 7 years (D) 8 years
52) A person invested a total of Rs. 9,000 in three parts at 3%, 4% and 6% per annum on simple interest. At the end of a year, he received equal interest in all the three cases. The amount invested at 6% is:
(A) Rs. 2,000 (B) Rs. 4,000 (C) Rs. 5,000 (D) Rs. 3,000
53) A fixed sum is lent out in two parts in such a way that the interest on the first part at 1 percent for 1 year is equal to that on the second part at 2% for 2 years. Find the square root of the ratio of the first part to the second part.
(A) 3 (B) 4 (C) 1 (D) 2
54) A sum of Rs. 27,000 is divided into two parts A and B such that the simple interest at the rate of 15% p.a. on A and B after two years and four years, respectively, is equal. The total interest (in Rs.) received together from A and B is:
(A) 18,000 (B) 9,600 (C) 5,400 (D) 10,800
55) A sum of Rs. 36,000 is divided into two parts, A and B, such that the simple interest at the rate of 15% p.a. on A and B after two years and four years, respectively, is equal. The total interest (in Rs.) received from A is:
(A) 1,800 (B) 3,600 (C) 5,400 (D) 7,200
56) A certain sum amounts of Rs. 8,256 in 6 years and to Rs. 5,952 in 2 years at simple interest. The same sum will amount to Rs. x at the same rate at simple interest in 42 years. The value of x is:
(A) 7,380 (B) 7,488 (C) 7,296 (D) 7,496
57) A sum of money amounts to Rs. 7,500 in 5 years, and to Rs. 8,500 in 7 years at simple interest at the same rate of interest. The rate of interest per annum is:
(A) 12% (B) 9% (C) 8% (D) 10%
58) A sum of money amounts to Rs. 7,500 in 5 years, and to Rs. 8,500 in 7.5 years at simple interest at the same rate of interest. The rate of interest per annum is:
(A) 12% (B) 9% (C) 8% (D) 10%
59) A certain sum of money amounts to Rs.1250 in 3 years and Rs.1600 in 8 years at simple interest. Find the sum.
(A) 1100 (B) 1040 (C) 1050 (D) 1024
60) A sum at a certain rate of simple interest becomes Rs. 14880 after 3 years and Rs. 16800 after 5 years. Find the simple interest on the same sum at 10% per annum for 4 years (in Rs.).
(A) 4800 (B) 5184 (C) 4740 (D) 4860
61) A certain sum amounts to Rs. 81840 in 3 years and to Rs. 92400 in 5 years at x% p.a. under simple interest. If the rate of interest is becomes (x + 2)%, then in how many years will the same sum double itself?
(A) 10 (B) 8 (C) 20 (D) 12.5
62) Two equal sums were lent on simple interest at 6% and 10% per annum respectively. The first sum was recovered two years later than the second sum and the amount in each case was Rs.1105. What was the sum (in Rs.) lent in each scheme?
(A) 891 (B) 850 (C) 936 (D) 900
63) A person invested a sum of Rs. 25,000 in two parts. First part at 10% per annum simple interest and the rest at 12% per annum simple interest. At the end of 2 years, the total interest received was Rs. 5,640. The difference (in Rs.) between the two parts of the sum is:
(A) 10,000 (B) 7,000 (C) 8,000 (D) 9,000
64) A man has Rs. 10,000. He lent a part of it at 15% simple interest and the remaining at 10% simple interest. The total interest he received after 5 years amounted to Rs. 6,500. The difference between the parts of the amounts he lent is:
(A) Rs.1,750 (B) Rs.2,500 (C) Rs.2,000
(D) Rs.1,500
65) A sum of Rs. 25600 is invested on simple interest partly at 7% per annum and the remaining at 9% per annum. The total interest at the end of 3 years is Rs. 5832. How much money (in Rs.) was invested at 9% per annum?
(A) 16000 (B) 7600 (C) 9600 (D) 18000
66) A sum of Rs. 12,000 was taken at simple interest at some rate. After four months, Rs. 6,000 more was added and the total principal was charged at double the earlier rate of interest. At the end of the year, if the total interest was Rs. 2,800, what was the initial rate of interest?
(A) 12% (В) 10% (C) 74% (D) 16%
67) A man takes a loan of some amount at some rate of simple interest. After three years, the loan amount is doubled and rate of interest is decreased by 2%. After 5 years, if the total interest paid on the whole is Rs. 13,600, which is equal to the same when the first amount was taken for 34/3 years, then the loan taken initially is:
(A) Rs. 12,000 (B) Rs. 12,500 (C) Rs. 13,600 (D) Rs. 10,000
Answers
D
B
A
A
B
B
C
C
D
D
B
C
B
B
C
A
A
D
C
A
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B
C
A
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B
B
A
C
A
B
B
D
B
C
C
A
C
A
B
A
D
C
A
B
B
D
D
B
C
A
A
D
D
D
B
D
C
B
A
A
B
B
C
B
B
D
