Two trains of lengths 120 m and 50 m are running on parallel tracks at 66 km hr and 60 km hr respect...........

Quantitative Aptitude ( CCS) Problems on trains

Two trains of lengths 120 m and 50 m are running on parallel tracks at 66 km/hr and 60 km/hr respectively. In what time will they pass each other?

10seconds

25.5 seconds

51 seconds

102 seconds

Dist to be covered is 120 + 50 = 170 m.
Relative speed is 66 – 60 = 5 km/hr = 6 × 5 / 18
= 30 / 18 m/s. So time required = 200 / (30 / 18) = 102 sec.

Hence, option 4 is the correct answer.

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