Question : A sum of Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will the same sum become in 3 years?

Option 1: Rs. 1025

Option 2: Rs. 1042

Option 3: Rs. 1052

Option 4: Rs. 1024

Question : A certain amount of money earns Rs. 540 as a simple interest in 3 years. If it earns a compound interest of Rs. 376.20 at the same rate of interest in 2 years, find the amount (in Rs.):

Option 1: Rs. 1600

Option 2: Rs. 1800

Option 3: Rs. 2000

Option 4: Rs. 2100

Question : A sum amounts to INR 7,656 in 4 years and to INR 8,120 in 5 years at a certain simple interest rate percent per annum. The rate of interest is:

Option 1: 4%

Option 2: 3%

Option 3: 7%

Option 4: 8%

Question : 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 is Rs. 770. The amount invested was:

Option 1: Rs. 650

Option 2: Rs. 350

Option 3: Rs. 550

Option 4: Rs. 500

Question : A person invested Rs. 12,000 on simple interest for 7 years to obtain a total amount of Rs. 20,400 on a certain annual rate of interest. What was the rate of interest to obtain the above amount?

Option 1: 7%

Option 2: 9%

Option 3: 8%

Option 4: 10%