Subject
Bank Exam
Topic
Bangladesh Bank AD 2014
An express train travelled at an average speed of 100km/hr, stopping for 3 minutes after every 75km. How long did it take to reach its destination 600 km from the starting point?
An express train travelled at an average speed of 100km/hr, stopping for 3 minutes after every 75km. How long did it take to reach its destination 600 km from the starting point?
ক)
6 hrs 21 minখ)
6 hrs 24 minগ)
6 hrs 27 minঘ)
6 hrs 30 minExplanation
Normal time taken = 600/100 = 6 hr. stops = 600/75 – 1 = 8 – 1 = 7 subtracted 1 as at 600 km the last 8th stop. extra time = 7 × 3 = 21 minutesRelated questions
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