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A man observed that a train 120 m long crossed him in 9 seconds. The speed (in km /hr) of the train was

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A man observed that a train 120 m long crossed him in 9 seconds. The speed (in km /hr) of the train was
1). 42
2). 45
3). 48
4). 55

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3 answers

0 vote
Answered by on | Votes 0 |
option 3 is the right answer

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1 vote
Answered by on | Votes 1 |
Speed of train =$\frac{120}{9}\times\frac{18}{5}=48kmph$




2 vote
Answered by on | Votes 2 |

Answer of this question is

Speed of train= 48kmph

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