WBCS 2024 · Question 147 of 196
Reasoning
Official WBPSC key (Series A): (B) 500 m. 60 km/h = 16.67 m/s; in 2 minutes the train covers 2000 m. Subtracting the 1500 m tunnel gives a train length of 500 m.
Source: WBCS (Exe) etc. (Prelim) 2024, Series A
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