Numerical AbilityTime, Speed and Distance (CSIR (Council of Scientific & Industrial Research) Part A Aptitude): Questions 19  24 of 45
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Question number: 19
» Numerical Ability » Time, Speed and Distance
Question
Two locomotives are running towards each other with speeds of and . An object keeps on flying to and fro from the front tip of one locomotive to the front tip of the other with the speed of . After , the two locomotives collide and the object is crushed. What distance did the object cover before being crushed?
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Choice (4)  Response  

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c. 
 
d. 

Question number: 20
» Numerical Ability » Time, Speed and Distance
Question
In two hours, a boat goes along the stream and against it. Find the speed of the boat in still water.
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Question number: 21
» Numerical Ability » Time, Speed and Distance
Question
A boat running downstream covers a distance of in while for covering the same distance upstream it takes . What is the speed of the boat in still water?
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Question number: 22
» Numerical Ability » Time, Speed and Distance
Question
During the Onam festival in Kerala, one boat is rowed downstream at and upstream at . What is the speed of the stream?
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Question number: 23
» Numerical Ability » Time, Speed and Distance
Question
A man covers a distance in then, find the speed in .
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Question number: 24
» Numerical Ability » Time, Speed and Distance
Question
A man can row in still water and he finds that it takes him twice as long to row up as to row down the river. Find the rate of the stream.
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Choice (4)  Response  

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c. 
 
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