1 point
An airplane covers a certain
distance at a speed of 144
kmph in 3 hours. To cover the
same distance in 11/2 hours, it
must travel at a speed of *
O 300 kmph
O 288 kmph
O 648 kmph
O 72 kmph
Answers
Answered by
1
Distance = (240 × 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1
3
2
hours as 5/3 hours]
∴ Required speed = (1200×
5
3
) km/hr=720 km/hr.
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