1)Rs.120
2)Rs. 180
3)Rs. 216
4)Rs. 240
2.A man deposited Rs. 400 for 2 years, Rs. 550 for 4 years and Rs. 1200 for 6years. He received Rs.1020 as the total simple interest. The rate of interest per annum is
1)8%
2)10%
3)15%
4)20%
3.A sum of money amounts to Rs.5200 in 5 years and to Rs. 5680 in & years at simple interest. The rate of interest per annum is:
1)3%
2)4%
3)5%
4)6%
4.At which sum the simple interest at the rate of 3.75% per annum will be Rs. 210 in 2 years 4 months.
1)Rs.1580
2)Rs.2400
3)Rs.2800
4)None of these
5.Simple interest on Rs.500 for 4 years at 6.25% per annum is equal to the simple interest on Rs.400 at 5% per annum for a certain period of time. The period of time is:
1)4 years
2)5 years
3)6 ¼ years
4)8 2/3 years
6.A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs.910 at the rate of 10% per annum simple interest. In how many years will their amounts of debts be equal?
1)18 years
2)20 years
3)22 years
4)24 years
7.Rs.6000 becomes Rs.7200 in 4 years at a certain rate of interest. If the rate becomes 1.5 times of itself, the amount of the same principal in 5 years will be:
1)Rs.8000
2)Rs.8250
3)Rs.9000
4)Rs.9250
8.If the simple interest for 6 years be equal to 30% of the principal , it will be equal to the principal after
1)10 years
3)30 years
4)22 years
9.Akruti took a loan at simple interest at 6% in the first year with an increase of 0.5%in each subsequent year . she paid Rs. 3375 as interest after 4 years. How much loan did she take?
1)Rs.12500
2)Rs.15800
3)Rs.33250
4)Cannot be determined
10.At what rate of simple interest a certain sum will be doubled in 15 years.
1)5.5%p.a
2)6% p.a
3)6.6% p.a
4)7.5% p.a
11.A certain sum is invested on simple interest. If it trebles in 10 years, what is the rate of interest?
1)18% p.a
2)20% p.a
3)22% p.a
4)25% p.a
12.In how many years, a sum will be thrice of it at the rate of 10% per annum?
1)15 years
4)40 years
13.A man invests 1/3 of his capital at 7% p.a., ¼ at 8% p.a. and the remainder at 10% p.a. if his annual income is Rs.561, the capital is:
1)Rs.5400
2)Rs.6000
3)Rs.6600
4)Rs.7200
14.The sum of money that will give Rs.1 as simple interest per day at the rate of 5% per annum, is:
1)Rs.730
2)Rs.3650
3)Rs.7300
4)Rs.36500
15.A certain sum of money becomes three times of itself in 20 years at simple interest. In how many years does it become double of itself at the same rate?
1)8 years
2)10 years
3)12 years
4)14 years
16.Rs.2000 amount to Rs.2600 in 5 years at simple interest. If the interest rate were increased by 3%, it would amount to how much?
1)Rs.2900
2)Rs.3200
3)Rs.3600
17.If the annual rate of simple interest increases from 10% to 12.5%, a man’s annual income increases by 1250. The principal is:
1)Rs.4500
2)Rs.5000
3)Rs.6000
4)Rs.6500
18.Simple interest on a certain sum at at a certain annual rate of interest is 25/16 of the sum. If the numbers representing rate percent and time in years be equal, then the rate percent per annum is:
2)11.5%
3)12.25%
4)12.5%
19.Rs.1000 is invested at 5% p.a.simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs.2000 after
2)16.6 years
3)18 years
4)20 years
20.The simple interest on Rs.6250 at 14% per annum for 146 days is:
1)Rs.450
2)Rs.875
3)Rs.350
4)Rs.400
21.The simple interest on a sum for 5 years is one-fourth of the sum. The Rate of interest per annum is:
1)5%
2)6%
3)4%
4)8%
22.A man purchased a cow for Rs.3000 and sold it the same day for Rs.3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum. Then the man has a gain of
2)0%
3)20%
4)10%
23.A invested in a certain scheme at the rate of 5% p.a. and B at 3% p.a. each for two years. If the total sum invested by A and B is Rs.4000 and simple interest received by both is same, then , find the amount invested by A?
1)Rs.1300
2)Rs.1500
3)Rs.2500
4)Rs.2700
24.A man took loan from a bank on simple interest at the rate of 12% p.a. After 3 years, he had to pay Rs.5400 interest only for the period. The principal amount borrowed by him is:
1)Rs.2000
2)Rs.10000
3)Rs.15000
4)Rs.20000
25.The simple interest on a certain sum is ¼ th of the sum. If time period and rate percent be numerically equal, find the time period?
1)1.5 years
3)2 years
4)2.5 years