1) The difference between the simple interest received from two different sources on ₹1500 for 3 years is ₹13.50. The difference between their rates of interest is:

• (1) 0.1%
• (2) 0.2%
• (3) 0.3%
• (4) 0.4%

2) Mohan lent some amount of money at 9% simple interest and an equal amount at 10% simple interest each for two years. If his total interest was Rs.760, what amount was lent in each case?

• (1) ₹1700
• (2) ₹1800
• (3) ₹1900
• (4) ₹2000

3) A sum of ₹1500 is lent out in two parts so that the simple interest on one part at 10% p.a. for 5 years is equal to that on the other part at 12.5% p.a. for 4 years. The sum lent at 12.5% is:

• (1) ₹500
• (2) ₹1000
• (3) ₹750
• (4) ₹1250

4) A person deposited ₹500 for 4 years and ₹600 for 3 years at the same rate of simple interest. Altogether he received ₹190 as interest. The rate of simple interest per annum was:

• (1) 4%
• (2) 5%
• (3) 2%
• (4) 3%

5) Simple interest on ₹500 for 4 years at 6.25% per annum is equal to the simple interest on ₹400 at 5% per annum for a certain period. The period of time is:

• (1) 4 years
• (2) 5 years
• (3) 6 1/4 years
• (4) 8 2/3 years

6) The simple interest on ₹4000 in 3 years at the rate of x% p.a. equals the simple interest on ₹5000 at the rate of 12% p.a. in 2 years. The value of x is:

• (1) 10%
• (2) 6%
• (3) 8%
• (4) 9%

7) Prakash lends a part of ₹20,000 at 8% simple interest and remaining at 4/3% simple interest. His total income after a year was ₹800. Find the sum lent at 8%.

• (1) ₹8,000
• (2) ₹12,000
• (3) ₹6,000
• (4) ₹10,000

8) The difference between simple interest and the true discount on Rs. 2400 due 4 years hence at 5% per annum simple interest is:

• (1) Rs. 30
• (2) Rs. 70
• (3) Rs. 80
• (4) Rs. 50

9) A sum of ₹1550 was lent partly at 5% and partly at 8% simple interest. The total interest received after 3 years is ₹300. The ratio of money lent at 5% to that at 8% is:

• (1) 5 : 8
• (2) 8 : 5
• (3) 31 : 6
• (4) 16 : 15

10) A person borrows some money for 5 years and loan amount : total interest amount is 5 : 2. The ratio of loan amount : interest rate is equal to:

• (1) 2 : 25
• (2) 2 : 1
• (3) 5 : 2
• (4) 25 : 2

11) In a certain time, the ratio of a certain principal and the simple interest obtained from it are in the ratio 10 : 3 at 10% interest per annum. The number of years the money was invested is:

• (1) 1 year
• (2) 3 years
• (3) 5 years
• (4) 7 years

12) A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352, the sum lent at 8% is:

• (1) Rs. 2900
• (2) Rs. 2200
• (3) Rs. 2400
• (4) Rs. 3100

13) A sum of ₹400 amounts to ₹480 in 4 years. What will it amount to if the rate of interest is increased by 2%?

• (1) ₹484
• (2) ₹560
• (3) ₹512
• (4) None of these

14) A sum was invested on simple interest at a certain rate for 2 years. Had it been put at 3% higher rate, it would have fetched ₹72 more. The sum is:

• (1) ₹1,200
• (2) ₹1,500
• (3) ₹1,600
• (4) ₹1,800

15) If the annual rate of simple interest increases from 10% to 12.5%, a man’s yearly income increases by ₹1250. His principal (in rupees) is:

• (1) ₹50,000
• (2) ₹45,000
• (3) ₹60,000
• (4) ₹65,000

16) A sum was lent at simple interest at a certain rate for 2 years. Had it been lent at 3% higher rate, it would have fetched ₹300 more. The original sum of money was:

• (1) ₹5,000
• (2) ₹6,000
• (3) ₹7,000
• (4) ₹4,000

17) ₹800 amounts to ₹920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to

• (1) ₹1,056
• (2) ₹1,112
• (3) ₹1,182
• (4) ₹992

18) If a man receives on one-fourth of his capital 3% interest, on two third 5% and on the remainder 11%, the percentage he receives on the whole is:

• (1) 4.5%
• (2) 5%
• (3) 5.5%
• (4) 5.2%

19) The amount ₹2,100 became ₹2,352 in 2 years at simple interest. If the interest rate is decreased by 1%, what is the new interest?

• (1) ₹210
• (2) ₹220
• (3) ₹242
• (4) ₹252

20) A sum of Rs.800 becomes Rs.956 in 3 years at a certain rate of simple interest. If the rate is increased by 4%, what amount will the same sum become in 3 years?

• (1) Rs.1025
• (2) Rs.1042
• (3) Rs.1052
• (4) Rs.1024

21) The rate of simple interest per annum of bank being decreased from 5% to 3½%, the annual income of a person from interest was less by Rs.105. The sum deposited at the bank was

• (1) Rs.6,000
• (2) Rs.7,200
• (3) Rs.6,800
• (4) Rs.7,000

22) A sum of ₹10,000 is lent partly at 8% and remaining at 10% per annum. If the yearly interest on the average is 9.2%, the two parts are:

• (1) ₹4,000, ₹6,000
• (2) ₹4,500, ₹5,500
• (3) ₹5,000, ₹5,000
• (4) ₹5,500, ₹4,500

23) Ramesh deposited ₹15,600 in a fixed deposit at 10% per annum simple interest. After every second year, he adds his interest earnings to the principal. The interest at the end of fourth year is:

• (1) ₹1,716
• (2) ₹1,560
• (3) ₹3,432
• (4) ₹1,872

24) What equal instalment of annual payment will discharge a debt which is due as ₹848 at the end of 4 years at 4% per annum simple interest?

• (1) ₹212
• (2) ₹200
• (3) ₹250
• (4) ₹225

25) A man invests half his capital at 10% per annum, one-third at 9% and the rest at 12% per annum. The average rate of interest per annum is:

• (1) 9%
• (2) 10%
• (3) 10.5%
• (4) 12%