Simple Interest

1.		A sum of money triples itself in 8 years simple interest. Find the rate of interest per annum?

30%

25%

22%

18%

2.		A Certain sum of money amounts to Rs.2500 in a span Of 5 years and further to Rs.3000 in a span of 7 years at simple interest. The sum is:

Rs. 1800

Rs. 2000

Rs. 1400

Rs. 1250

3.		A person deposits a certain sum of money at the starting of each year. The bank gives him 8% SI. At the end of 3rd year, total amount becomes Rs 34800. Find how much money does he invest each year?

11000

16500

12000

10000

4.		A person takes a loan of Rs. 200 at 5% simple interest. He returned 50% of principal at the end of one year. In order to clear his dues at the end of 2 years, he would pay :

Rs. 100

Rs. 105

Rs. 115

Rs. 110

5.		A person invests some money in two banks in the ratio of 7:5. The rate of SI on first investment is 17%, but overall annual interest on total investment is 19.5%. Find his total investment if interest gain by in second investment is Rs 460?

4800

5000

5600

6000

6.		A financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:

10%

10.25%

10.5%

none of these

7.		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?

3.5 years

4 years

4.5 years

5 years

8.		The difference between the simple interest received from two different sources on Rs. 3000 for 3 years is Rs. 27. The difference between their rates of interest is:

0.1%

0.2%

0.3%

0.4%

9.		How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?

4 years

2.5 years

3.5 years

2 years

10.		A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs 360 more. Find the sum.

Rs.4000

Rs.9000

Rs.5000

Rs.6000