Directions (Q. 1 - 5): Solve the following questions -

1. A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is

2.5 km/hr

4.2 km/hr

5 km/hr

10.5 km/hr

None of these

2. If the sum of the interior angles of a regular polygon measures upto 1440 degrees, how many sides does the polygon have?

10 sides

8 sides

12 sides

9 sides

None of these

3. A alone can do a piece of work in 6 days and B alone 8 days. A and B undertook to do it for Rs.3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

Rs.375

Rs.400

Rs.600

Rs.800

None of these

4. A shopkeeper give 12% additional discount on the discounted price, after giving an initial discount of 20% on the labeled price of a radio. If the final sale price of the radio is Rs.704, then what is its labeled price?

Rs.844.80

Rs.929.28

Rs.1000

Rs.1044.80

None of these

5. A person was asked to state his age in years. His reply was, “Take my age three years hence, multiply it by 3 and then subtract three times my age three years ago and you will know how old I am.” What was the age of the person?

14 years

18 years

20 years

32 years

None of these