Ahsan travels for 6 hours at a rate of 50 miles per hour. His return trip takes 7.5 hours. What is his average speed for the whole trip?

A 44.5 mph
B 45 mph
C 46.5 mph
D 48.2 mph

Correct Answer: 44.5 mph

Total trip length = 2 × (50×6) = 2 × 300 = 600 miles Total time needed = 6 + 7.5 = 13.5 hr Average speed = 600 / 13.5 =  44.44 mph
Bissoy MCQ
#গণিত #গড় (Average) #Bangladesh House Building Finance Corporation (BHBFC) #Bangladesh House Building Finance Corporation - Senior Officer - 29.07.2011

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