Question : A sum of Rs. 11,500 amounts to Rs. 12,880 in 2 years at the rate of simple interest. What is the rate of interest?

Option 1: 6% per annum

Option 2: 4% per annum

Option 3: 8% per annum

Option 4: 10% per annum

Question : At what rate of compound interest per annum, a sum of Rs. 20,000 becomes Rs. 23,152.50 in 1 year and 6 months compounded half-yearly?

Option 1: 10% per annum

Option 2: 5% per annum

Option 3: 12% per annum

Option 4: 8% per annum

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 INR 2000 will become INR 2400 in 12 months at some rate of simple interest. Find the rate of interest per annum.

Option 1: 25%

Option 2: 20%

Option 3: 40%

Option 4: 45%

Question : Simple interest on a sum for three months at the rate of 15% per annum is Rs. 600. What is the sum?

Option 1: Rs. 16000

Option 2: Rs. 4000

Option 3: Rs. 1600

Option 4: Rs. 32000