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Two trains are running 40km/h and 20 km/...

Two trains are running 40km/h and 20 km/h respectively, in the same direction. The fast train com- pletely passes a man sitting in the slow train in 5 s. The length of the fast a train is

A

`23 2/7` m/मी.

B

27 m/मी.

C

`27 7/9` m/मी.

D

23 m/मी.

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CHAMPION PUBLICATION-2013 TIER-II PAPER(21)-EXERCISE
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  7. If a sum of money compounded annually becomes 1.44 times of itself in ...

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  11. If h,s V be the height , curved surface area and volume of a cone resp...

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  16. A rectangular block of metal has dimensions 21cm, 77 cm and 24 cm the ...

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  18. The diameter of a circular wheel is 7 m. How many revolutions will it ...

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