1. A sum was invested on simple interest at a certain rate for 2 years. Had it been put at 3% higher rate, it would have fetched 72 more. The sum is ?

1,200

1,500

1,600

1,800

Answer: 1,200

Explanation:


2. The amount 2,100 became 2,352 in 2 years at simple interest. If the interest rate is decreased by 1%, what is the new interest ?

210

220

242

252

Answer: 210

Explanation:


3. A man invests half his capital at the rate of 10% per annum, one third at 9% and the rest at 12% per annum. The average rate of interest per annum, which he gets, is ?

9%

10%

10.5%

12%

Answer: 10%

Explanation:


4. The simple interest on Rs. 36,000 for the period from 5th January to 31st May, 2013 at 9.5% per annum is ?

Rs. 1,338

Rs. 1,425

Rs. 1,400

Rs. 1,368

Answer: Rs. 1,368

Explanation:


5. In how many years will a sum of money double itself at 12% per annum ?

8 yrs. 6 months

6 yrs. 9 months

8 yrs. 4 months

7 yrs. 6 months

Answer: 8 yrs. 4 months

Explanation:


6. If 12,000 is divided into two parts such that the simple interest on the first part for 3 years at 12% per annum is equal to the simple interest on the second part for 4 and 1/2 years at 16% per annum, the greater part is ?

8,000

6,000

7,000

7,500

Answer: 8,000

Explanation:


7. Equal sum of money are lent to X and Y at 7.5% per annum for a period of 4 years and 5 years respectively. If the difference in interest, paid by them was 150, the sum lent to each was ?

500

1000

2000

3000

Answer: 2000

Explanation:


8. In how many years will the simple interest on a sum of money be equal to the principal at the rate of 16 and 2/3 % per annum ?

4 years

5 years

6 years

8 years

Answer: 6 years

Explanation:


9. A sum of money was invested at a certain rate of simple interest for 2 years . Had it been invested at 1% higher rate, it would have fetched 24 more interest. The sum of money is : ?

1200

1050

1000

9600

Answer: 1200

Explanation:


10. John invested a sum of money at an annual simple interest rate of 10%. At the end of four years the amount invested plus interest earned was 770. The amount invested was ?

650

350

550

500

Answer: 550

Explanation: