Question : The simple interest received on a sum at the rate of 8 percent per annum is $\frac{2}{5}$ of the sum. What is the period?

Option 1: 6 years

Option 2: 5 years

Option 3: 4 years

Option 4: 7.5 years

Question : A person lends a certain sum of money at the annual rate of 8% on simple interest and the interest received in 9 years is INR 560 less than the sum lent. What is the sum lent?

Option 1: INR 560

Option 2: INR 1,000

Option 3: INR 2,000

Option 4: INR 1,120

Question : On a certain sum, simple interest at the annual rate of 12% for 6 years is Rs. 28800. What will be the compound interest on the same sum at the annual rate of 20% (compounding annually) for 2 years?

Option 1: Rs. 17600

Option 2: Rs. 19200

Option 3: Rs. 12000

Option 4: Rs. 14400

Question : The simple interest on a sum for 5 years is $\frac{3}{5}$th of the sum. The rate of interest per annum is:

Option 1: 10%

Option 2: 12%

Option 3: 8%

Option 4: $12\frac{1}{2}$%

Question : A sum of Rs. 6000 is divided into two parts. The annual simple interest on the first part at the annual rate of 10% is equal to the annual simple interest on the second part at the annual rate of 15%. How much is the interest on each part for one year?

Option 1: Rs. 300

Option 2: Rs. 330

Option 3: Rs. 360

Option 4: Rs. 420