Simple Interest

Question 11

In what time will Rs.8500 pay an amount of Rs. 7267.50 as S.I at 4.5 per cent per annum?

• 19
• 20
• 18
• 21

Question 12

The SI on a sum is 1/4^th of the principal, and the duration(in years) is equal to the rate per cent per annum. Find the rate per cent.

• 5
• 11/10
• 10
• 11

Question 13

The rate of interest for the first 2 yrs is 3% per annum, for the next 3 years is 8% per annum and for the period beyond 5 years 10% per annum. A person deposited some money 6 years back. Now he earns an interest of RS. 1520. What money did he deposit?

• 3600
• 5000
• 3800
• 4100

Question 14

A sum of money doubles itself in 6 years at simple interest. What is the rate of interest?

• 16.66

• 15.55

• 14.44

• 16.22

Question 15

A certain amount was lent at a rate R for 2 yrs at SI. If it been put at 3% higher rate, it would have fetched Rs 300 more. Find the amount?

• 5500
• 6000
• 5000
• 4500