Simple Interest

1.		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

2.		A man borrowed Rs 24000 from two money lenders. For one loan, he paid 15% per annum SI and for the other 18% per annum SI. At the end of one year, he paid Rs 4050. How much did he borrow at the rate of 18% ?

Rs.16000

Rs.12000

Rs.15000

Rs.13000

3.		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

4.		A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate of interest per annum is:

45/7 %

50/9 %

51/7 %

47/ 9 %

5.		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

6.		A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

5%

8%

12%

15%

7.		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

8.		With a given rate of SI the ratio of principal and amount for a certain period of time is 4:5. After 2.5 years, with the same rate of interest, the ratio of the principal and amount becomes 5:7. Find the rate of interest?

10%

8%

5%

6%

9.		At what rate percent of simple interest per annum will a sum of money double in 8 years.

12.5%

13.5%

11.5%

14.5%

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

30%

25%

22%

18%