the length of the bridge which the train 130 meters long and travelling at 45km/hr can cross in 30 sec is
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Answer:
⭐ SOLUTION ⭐
✏ The length of bridge = xm
✏ The length of train = 130m
✏ Speed = 45km/hr
= 45×5/18
= 25/2
Distance | 25/2 | 130+x
Time | 1 | 30
✏ It vary directly
Therefore,
=> 25/2 = 130+x/30
=> 130+x = 25/2 × 30
= 375
=> 130+x = 375
=> x = 375-130
=> x = 245 ( Ans)
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Answered by
0
Answer:
The upper answer given by Rudhanil 420 is right
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