Free MCQs for FPSC, NTS, PPSC, PMS, CSS & All Pakistan Exams 2026

Two trains 100 m and 150 m long run in opposite directions at 54 km per hour and 36 km per hour. How long do they take to cross each other?

A. 8 seconds
B. 9 seconds
C. 10 seconds
D. 12 seconds

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