1. What sum of money will amount to 520 in 5 years and to 568 in 7 years at simple interest ?

400

120

510

220

Answer: 400

Explanation:


2. A certain sum of money amounts to Rs. 2200 at 5% p.a. rate of interest, Rs. 2320 at 8% interest in the same period of time. The period of time is ?

3 years

4 years

5 years

2 years

Answer: 2 years

Explanation:


3. The simple interest on a sum for 5 years is one fourth of the sum. The rate of interest per annum is ?

5%

6%

4%

8%

Answer: 5%

Explanation:


4. Mohan lent some amount of money at 9% simple interest and an equal amount of money at 10% simple interest each for two years. If his total interest was Rs. 760, what amount was lent in each case ?

1700

1800

1900

2000

Answer: 2000

Explanation:


5. A person deposited 500 for 4 years and 600 for 3 years at the same rate of simple interest in a bank. Altogether he received 190 as interest. The rate of simple interest per annum was ?

4%

5%

2%

3%

Answer: 5%

Explanation:


6. Ratio of the principal and the amount after 1 year is 10:12. Then the rate of interest per annum is ?

12%

16%

18%

20%

Answer: 20%

Explanation:


7. 800 amounts to 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to ?

1,056

1,112

1,182

992

Answer: 992

Explanation:


8. A sum of 1000 is lent out partly at 8% and the remaining at 10% per annum. If the yearly income on the average is 9.2%, the two parts respectively are ?

400, 600

450, 550

500, 500

550, 450

Answer: 400, 600

Explanation:


9. What equal instalment of annual payment will discharge a debt which is due as 848 at the end of 4 years at 4% per annum simple interest ?

212

200

250

225

Answer: 200

Explanation:


10. At the same rate of simple interest sum of the interest of 300 for 4 years and the interest of 400 for 3 years is 120. The rate of interest is ?

5 %

4%

6%

10%

Answer: 5 %

Explanation: