operations on numbers (6.papers)

hcf and lcm (5.papers)

averages (8.papers)

problems on ages (9.papers)

percentage (4.papers)

profit and loss (4.papers)

ratio and proportion (5.papers)

chain rule (5.papers)

time and work (4.papers)

pipes and cisterns (5.papers)

time and distance (5.papers)

problems on trains (8.papers)

boats and streams (7.papers)

partnership (6.papers)

simple interest (4.papers)

compound interest (2.papers)

permutation and combination (3.papers)

clock (2.papers)

calendar (3.papers)

1

A man rows at 10 kmph in still water. He goes to a place 96 km. away and come back taking 20 hours totally. What is the speed of current ?

1 kmph

3 kmph

1.5 kmph

2 kmph

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2

A boat takes 45 minutes less to travel 18 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 5 kmph, the speed of the stream is :

2 kmph

3 kmph

1 kmph

1.5 kmph

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3

A man rows to a place 30 km distant and back in 25 hours. He finds that he can row 6 km with the stream in the same time as 4 km against the stream. The rate of the stream is :

1/2 km/hr

1 km/hr

2 km/hr

7/2 km/hr

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4

A boat covers 48 km upstream and 72 km downstream in exactly 12 hours while it covers 72 km upstream and 48 km downstream in exactly 13 hours. Find the speed of the current is :

1 kmph

2 kmph

3 kmph

4 kpmh

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6

A boat goes 60 km downstream whose speed is 15 km/hr in still water and comes back to the origin in a total of 9 hours. Find the speed of the stream :

5 kmph

6 kmph

7 kmph

10 kmph

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7

A boat goes 10 km upstream and back again to the starting point in 55 minutes.If the speed of stream is 2 km/hr then find the speed of boat in still water.

6 km/hr

12 km/hr

17 km/hr

22 km/hr

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8

Balu travels at the speed of 18 kmph in still water. If the rate of current is 3 kmph, what time will he save in travelling 315 km, if he had to travel with the stream instead of against the stream ?

5 kmph

6 kmph

7 kmph

8 kmph

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10

A man can row 7.5 km/hr in still water. If in a river running at 1.5 km/hr, it takes him 50 minutes to row to a place and back, how far off is the place ?

3 km

4 km

4.5 km

5 km

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16

A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

4

6

8

Data Insufficiency

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