An aeroplane covers a certain distance at a speed
of 400 km/h in 6 h. To cover the same distance
in 5 h, it must travel at a speed of
Answers
Answered by
3
Solution:
Let the speed of aeroplane to cover the certain distance in 5 h be x.
=> Distance = Speed × Time
=> 400 × 6 = 5x
=> x = 480 km/hr
Therefore, the speed of the aeroplane must be 480 km/hr.
Answered by
1
Answer:
Distance = (240 × 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1 × 2/3 hours as 5/3 hours]
∴ Required speed = (1200× 3/5 ) km/hr=720 km/hr.
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