Question
Speed of A is twice that of B. Both start from a point X towards a point Y. If B took 3 hours more than A, what is the time taken by B?
Answer: Option B
:
B
Distance is constant, speed and time are inversely proportional. Therefore, if ratio of speed of A and B is 2:1, ratio of time taken will be 1:2
Time taken by A= X
Time taken by B= 2x
2X-X=3
x=3. B takes 6 hours
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:
B
Distance is constant, speed and time are inversely proportional. Therefore, if ratio of speed of A and B is 2:1, ratio of time taken will be 1:2
Time taken by A= X
Time taken by B= 2x
2X-X=3
x=3. B takes 6 hours
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