Speed of train crossing bridge
CMAT 2021 · Quantitative Techniques & Data Interpretation · Easy · Speed Time Distance
A 100-meter long train crosses a 200-meter long and 20-meter wide bridge in 20 seconds. What is the speed of the train in Km/hour?
- A.
45
- B.
36
- C.
54
- D.
57.6
Answer
C
Explanation
Total distance covered = length of train + length of bridge = meters. (Width of bridge is irrelevant to crossing time).
Speed in m/s = m/s.
Speed in km/h = km/h.
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