Simple Interest Questions With Explanation

1. How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

A. 2 years

B. 3 years

C. 1 year

D. 4 years

2. Arun took a loan of Rs. 1400 with simple interest for as many years as the rate of interest. If he paid Rs.686 as interest at the end of the loan period, what was the rate of interest?

A. 8%

B. 6%

C. 4%

D. 7%

3. A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is :

A. Rs. 700

B. Rs. 690

C. Rs. 650

D. Rs. 698

4. A sum fetched a total simple interest of Rs. 929.20 at the rate of 8 p.c.p.a. in 5 years. What is the sum?

A. Rs. 2323

B. Rs. 1223

C. Rs. 2563

D. Rs. 2353

5. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 5 years and that for 15 years?

A. 3 : 2

B. 1 : 3

C. 2 : 3

D. 3 : 1

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

A. 15%

B. 12%

C. 8%

D. 5%

7. A man took loan from a bank at the rate of 8% p.a. simple interest. After 4 years he had to pay Rs. 6200 interest only for the period. The principal amount borrowed by him was:

A. Rs.17322

B. Rs.20245

C. Rs.18230

D. Rs.19375

8. A sum of Rs. 14,000 amounts to Rs. 22,400 in 12 years at the rate of simple interest. What is the rate of interest?

A. 7%

B. 6%

C. 5%

D. 4%

9. A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?

A. 3.46%

B. None of these

C. 4.5%

D. 5%

10. A lends Rs. 1500 to B and a certain sum to C at the same time at 8% per annum simple interest. If after 4 years, A altogether receives Rs. 1400 as interest from B and C, then the sum lent to C is

A. Rs.2875

B. Rs.1885

C. Rs.2245

D. Rs.2615

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