Question : A train 270 m long, is running at a speed of 36 km/hr, then it will cross a bridge of length 180 m in:
Option 1: 40 sec
Option 2: 45 sec
Option 3: 50 sec
Option 4: 35 sec
Answer (1)
23rd Jan, 2024
Correct Answer: 45 sec
Solution :
Speed = 36 km/hr = 36 × $\frac{5}{18}$ = 10 m/s
Distance = 270 + 180 = 450 m
$\therefore$ Time taken = $\frac{\text{Distance}}{\text{Speed}}=\frac{450}{10}$ = 45 sec
Hence, the correct answer is 45 sec.
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