an aeroplane covers a certain distance at a speed of 240 km/h in 5h to covers a same distance in 1whole 2/3 it must be travel at a speed of
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Step-by-step explanation:
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of: A. 300 kmph B. 360 kmph C. 600 kmph D. 720 kmph
since the distance covered is the same
therefore, speed1*time1 = speed2*time2
240*5 = s2*1
1200 = s2
speed = 1200kmph
Answered by
8
Distance = (240 × 5) = 1200 km.
Speed = Distance/Time
➡️Speed = 1200/(5/3) km/hr. [We can write
1 whole 2/3 hours as 5/3 hours]
➡️Required speed = (1200 ×3/5) km/hr
=720 km/hr
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