Subject
Bank Exam
Topic
Islami Bank Bangladesh Ltd. PO 2017
Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by slower train to cross the faster train in seconds is -
Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by slower train to cross the faster train in seconds is -
ক)
36খ)
45গ)
48ঘ)
49ঙ)
NoneExplanation
Relative speed = (60+ 90) km/hr = 150 x 5/18 m/sec = 125/3 m/sec. Distance covered = (1.10 + 0.9) km = 2 km = 2000 m. Required time = 2000 x 3/125 sec = 48 sec.Related questions
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