Question : A sum, when invested for 2 years at the rate of 10% per annum at simple interest, amounts to INR 4,800 on maturity. What is the sum invested?

Option 1: INR 3,600

Option 2: INR 4,000

Option 3: INR 3,500

Option 4: INR 4,200

Question : J₁ can do a piece of work alone in 10 days, J₂ can do the same work alone in 12 days, while J₃ can do it alone in 15 days. They work together and complete the work, and receive a total of INR 2,250 for doing the work. What is the difference in the shares of J₁ and J₃?

Option 1: INR 450

Option 2: INR 400

Option 3: INR 300

Option 4: INR 350

Question : G₁ can do a piece of work alone in 20 days, G₂ can do the same piece of work alone in 40 days, and G₃ can do it alone in 60 days. They worked together and completed the work. If the combined share received by G₁ and G₂ is  INR 2,700, then what is the total amount received by all the 3 workers taken together?

Option 1: INR 3,300

Option 2: INR 3,000

Option 3: INR 3,900

Option 4: INR 3,600

Question : The average daily expenditure of Mohan over 4 days is INR 120. If his expenditure on the first 3 days are INR 60, INR 150 and INR 140, respectively, then what is his expenditure on the $4^{\text {th }}$ day?

Option 1: INR 145

Option 2: INR 110

Option 3: INR 130

Option 4: INR 120

Question : What is the simple interest on a principal of INR 24,000 for 4 years at the rate of 5% per annum?

Option 1: INR 4,800

Option 2: INR 3,600

Option 3: INR 5,600

Option 4: INR 5,000