Question : A sum of Rs. 500 becomes Rs. 580 at simple interest in 2 years. In how many years will the sum of Rs. 650 amounts to Rs. 858 at the same rate of simple interest?

Option 1: 4 years

Option 2: 8 years

Option 3: 5 years

Option 4: 6 years

Question : A sum of Rs. 600 becomes Rs. 840 at simple interest in 4 years. In how many years will the sum of Rs. 1500 amount to Rs. 2100 at the same rate of simple interest?

Option 1: 5 years

Option 2: 4 years

Option 3: 2 years

Option 4: 3 years

Question : The compound interest (compounding annually) on a certain sum for 2 years at the rate of 20 percent per annum is Rs. 2420. What will be the simple interest on the same sum for 3 years at the same rate of interest?

Option 1: Rs. 3300

Option 2: Rs. 3000

Option 3: Rs. 3800

Option 4: Rs. 4200

Question : Rohan borrows a certain sum at simple interest. The rate of interest is 3 percent per annum for the first 3 years, 4 percent per annum for the next 5 years, and 6 percent per annum for the next 7 years. If he paid Rs. 2485 as interest, then what is the sum borrowed?

Option 1: Rs. 2500

Option 2: Rs. 3500

Option 3: Rs. 4000

Option 4: Rs. 3600

Question : A sum of Rs. 2,400 amounts to Rs. 3,264 in 4 years at a certain rate of simple interest. If the rate of interest is increased by 1%, the same sum at the same time would amount to:

Option 1: Rs. 3,288

Option 2: Rs. 3,312

Option 3: Rs. 3,340

Option 4: Rs. 3,360