An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours . To cover the same distance in 123 hours , it must travel at a speed of :

A 300 kmph
B 360 kmph
C 600 kmph
D 720 kmph

Correct Answer: 600 kmph

Distance = (240×5) = 1200km ⇒ Speed = 1200/(5/3) km/hr ∴ Required speed = (1200×35) = 720 km/hr
Bissoy MCQ
#গণিত #Pubali Bank Ltd #Pubali Bank Ltd - Junior Officer/Junior Officer(Cash) - 18.07.2014 #distance & speed) #দূরত্ব ও গতিবেগ (Time #সময়

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