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1. What annual instalment will discharge a debt of ₹ 6450 due in 4 years at 5% simple interest?

₹ 1500

₹ 1950

₹ 1935

₹ 1835

2. If the rate of interest is compounded annually, a sum of money becomes eight times in 3 yrs. In how much time will the same amount at the same rate becomes sixteen times?

4 years

5 years

6 years

8 years

3. A is three times more efficient worker than B and is, therefore, able to complete a work in 60 days less than B. The number of days, that A and B together will take to complete the work is

22½ days

25 days

27½ days

30 days

4. A, B and C complete a work costing ₹ 1800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio 5 : 6 : 4, how much amount will be received by A ?

₹ 750

₹ 800

₹ 600

₹ 900

5. A starts business with ₹ 3500 and after 5 months, B joins A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital?

₹ 7000

₹ 8000

₹ 8500

₹ 9000