1. 500 was invested at 12% per annum simple interest and a certain sum of money invested at 10% per annum simple interest. If the sum of the interest on both the sum after 4 years is 480, the latter sum of money is ?

450

750

600

550

Answer: 600

Explanation:


2. A man took a loan from a bank at the rate of 12% per annum at simple interest. After 3 years he had to pay 5,400 as interest only for the period. The principal amount borrowed by him was ?

2,000

10,000

20,000

15,000

Answer: 15,000

Explanation:


3. In simple interest rate per annum a certain sum amounts to Rs. 5,182 in 2 years and Rs. 5,832 in 3 years. The principal in rupees is ?

Rs. 2882

Rs. 5000

Rs. 3882

Rs. 4000

Answer: Rs. 3882

Explanation:


4. If the simple interest for 6 years be equal to 30% of the principal, it will be equal to the principal after ?

20 years

30 years

10 years

22 years

Answer: 20 years

Explanation:


5. The rate of simple interest per annum at which a sum of money doubles itself in 16 and 2/3 years is ?

4 %

5 %

6 %

7 %

Answer: 6 %

Explanation:


6. 6,000 becomes 7,200 in 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itself, the amount of the same principal in 5 years will be ?

8,000

8,250

9,250

9,000

Answer: 8,250

Explanation:


7. In how many years a sum of Rs. 3000 will yield an interest of Rs. 1080 at 12% per annum simple interest ?

4 years

3 years

5 years

6 years

Answer: 3 years

Explanation:


8. If the simple interest on Re. 1 for 1 month is 1 paisa, then the rate per cent per annum will be ?

10%

8%

12%

6%

Answer: 12%

Explanation:


9. The sum lent at 5% per annum (i.e. 365 days) simple interest, that produces interest, of 2.00 a day, is ?

1,400

14,700

14,600

7,300

Answer: 14,600

Explanation:


10. In how many years will a sum of 3,000 yield a simple interest of 1,080 at 12% per annum ?

3 years

2 and 1/2 years

2 years

3 and 1/2 years

Answer: 3 years

Explanation: