If the ratio of the speeds of two objects A and B is given in ratio as a:b. then the ratio of the time taken by them to cover the same distance is
Proof: The ratio of speed is a:b
Let the common factor be m
Then speed of A = am
Speed of B = bm
Let the distance traveled be x meter
We know that
The ratio between the speeds of two trains is 4:7, if the second train runs 200 kms in 12 hours, then the time taken by the first train to cover 200 kms is ________________ hours. | |||
Right Option : B | |||
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The ratio between the speeds of two trains is 2:5, if the second train runs 40 kms in 4 hours, then the time taken by the first train to cover 40 kms is ________________ hours. | |||
Right Option : B | |||
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The ratio between the speeds of two trains is 9:11, if the first train runs 200 kms in 22 hours, then the time taken by the second train to cover 200 kms is ________________ hours. | |||
Right Option : C | |||
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