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 motorboat goes 4 km in 2 hour against the current and goes 3 km along the current in 30 minutes. How long will it take to go 5 km in stationary water?

40 min

1 hour

1 hr 15 min

1 hr 30 min

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12

The speed of a boat in still water is 24 kmph. If it can travel 12 km upstream in 1 hr. What time it would take to travel the same distance downstream?

1/3 hour

1 hour

1/2 hour

2 hours

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