Question

(D) 45
An aeroplane covers a certain distance at a speed of
240 km/h in 5 hours.to cover the same distance in 7\4 hour it must travel at a speed of ?


(A)* 300 km/h
(B) 600 km/h
(C) 360 km/h
(D) 720 km/h​

Answer 1

Answer:

720km/h

Step-by-step explanation:

I hope it will help

Answer 2

$speed = \frac{distance}{time}$

In case of 5 hours

$240kph = \frac{disace}{5} kph$

$distance = 240 \times 5 \: km$

$distance \: = 1200 \: km$

In case of 7/4 hours

$speed = \frac{1200}{ \frac{7}{4} }$

$speed = \frac{1200 \times 4}{7}$

$speed = \frac{4800}{7}$