Question : A sum of money invested at a certain rate of simple interest per annum amounts to INR 14,522 in seven years and to INR 18,906 in eleven years. Find the sum invested (in INR).

Option 1: 6,850

Option 2: 6,900

Option 3: 6,800

Option 4: 6,750

Question : A sum of money at simple interest amounts to INR 1,200 in 3 years and INR 1,350 in 4 years. The sum is:

Option 1: INR 650

Option 2: INR 850

Option 3: INR 450

Option 4: INR 750

Question : A sum of money amounts to INR 767 in 3 years, and to INR 806 in 4 years on simple interest at 6% per annum. What is the sum?

Option 1: INR 600

Option 2: INR 560

Option 3: INR 675

Option 4: INR 650

Question : A certain sum amounts to INR 3,640 in 2 years and INR 4,060 in 8 years at simple interest. Find the approximate rate percentage per annum.

Option 1: 4%

Option 2: 2%

Option 3: 1%

Option 4: 3%

Question : A certain sum of money lent at simple interest amounts to INR 1,200 in 2 years and INR 1,600 in 4 years. The rate percentage per annum is:

Option 1: 20%

Option 2: 30%

Option 3: 25%

Option 4: 16%