/tags/time-and-speed en

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Q:

## A train travelling at the speed of 60 kmph crosses a platform in 20 seconds. What is the length of the train?

41 0 5da4053cfac0ed7fa90c3863- 1333 metersfalse
- 2300 metersfalse
- 3336 metersfalse
- 4Cannot be determinedtrue
- 5None of thesefalse

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## Answer : 4. "Cannot be determined"

Q:

A 160-meter-long train running at a speed of 90 km/h crosses a platform is 18 s. What is the length of the platform in metre?

58 0 5da05a5f31905d2853364fe8- 1210false
- 2240false
- 3290true
- 4310false
- 5None of thesefalse

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## Answer : 3. "290"

Q:

A racing car going at an average speed of 108 km/ hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (in km/hr) to complete the lap in 12 minutes?

101 0 5d91f7d1a01ffd5718894487- 124false
- 221false
- 327true
- 430false

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