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# arithmetic problems on trains questions and answers

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5
`In what time will a train 140 metres long cross an electric pole, if its speed be 126 km/hr.`
1. `3 sec`
2. `4 sec`
3. `5 sec`
4. `6 sec`
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7
`A train takes 20 sec. to cross a pole beside the track and 30 sec. to cross a platform of length 100 m. Find  the length and velocity of the train ?`
1. `200 m, 36 km/hr`
2. `175 m, 40 km/hr`
3. `220 m, 45 km/hr`
4. `180 m, 72 km/hr`
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8
`A train running at the speed of 72 km/hr crosses a pole in 11 seconds. What is the length of the train ?`
1. `180 metres`
2. `200 metres`
3. `220 metres`
4. `240 metres`
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10
`A train 120 m long passed a pole in 12 seconds. How long will it take to pass a platform 450 m long ?`
1. `57 sec`
2. `63 sec`
3. `74 sec`
4. `79 sec`
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