(22) A train 100m long in moving with a speed of 60 km h ?. In what time shall it cross a bridge 1 km long ? (i) 44 s (ii) 55 s (iii) 66 S (iv) none of these
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Answer:
Total Length To be Covered = 1000m + 100m = 1100m
Speed = 60kmph
= 60× 5/18 meter per second
= 50/3 mps
Time = Distance/ Speed
= 1100 ÷ (50/3)
= 1100 × 3/50
= 66 seconds.
It shall take iii)66s to cross the bridge.
Step-by-step explanation:
Total length = Bridge's Length + Train's length
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