HARD
RRB NTPC CBT 1
IMPORTANT
Earn 100

The speed of a boat when travelling downstream is , whereas when travelling upstream, it is . Find the speed of the boat in still water and the speed of the stream, respectively.
(a)
(b)
(c)
(d)None of these

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Important Questions on Speed, Time & Distance
EASY
RRB NTPC CBT 1
IMPORTANT
A car covers a distance of in . What is the speed of the car?

EASY
RRB NTPC CBT 1
IMPORTANT
A person covers a distance of , while walking at a speed of . How much distance would he cover at the same time, if he walks at a speed of .

MEDIUM
RRB NTPC CBT 1
IMPORTANT
The ratio of the speed of and is . covers in . What is the speed of ?

MEDIUM
RRB NTPC CBT 1
IMPORTANT
A train crosses a platform in travelling with a speed of . If the length of the train is , then find the length of the platform.

MEDIUM
RRB NTPC CBT 1
IMPORTANT
Two trains of length and are moving in opposite directions at and , respectively. Find the time taken by the trains to cross each other:

EASY
RRB NTPC CBT 1
IMPORTANT
Delhi metro covers a distance in , if it runs at a speed of on an average. Find the speed at which train must run to reduce the time of journey to .

MEDIUM
RRB NTPC CBT 1
IMPORTANT
If P travelled the first half of a journey at and the remaining journey at , what is the average speed of his travel?

HARD
RRB NTPC CBT 1
IMPORTANT
The distance between two points A and B is . Two riders on the scooter start simultaneously from A and B towards each other. The distance between them after is . If the speed of one scooter is more than the other, find the speed of scooters in .
