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

Question : Simple interest received by a person in 15 years on a principal of Rs. 6000 is 150 percent of the principal. What is the annual rate of interest?

Option 1: 20 percent

Option 2: 30 percent

Option 3: 10 percent

Option 4: 25 percent

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 : 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, Rs 6,000 is invested at simple interest for 5 years and the annual rate of interest is 15 percent. B, Rs. 5,000 is invested at simple interest for 2 years and the annual rate of interest is 20 percent. What is the ratio of interests earned in A and B respectively?

Option 1: 19 : 12

Option 2: 9 : 4

Option 3: 16 : 5

Option 4: 18 : 11