Question

a plane running at speed of 1200km/h, takes 6 hours to cover a journey, at what speed must it travel in order to complete the journey in 4 hours​

Answer 1

Answer:

Step-by-step explanation:

Speed = distance/time

= 1200/6

= 200 km/hr

Now the same distance cover in 4 hours

Speed = distance/time

= 1200/4

= 300 km/hr

Answer 2

Answer: 1800km/h

Step-by-step explanation: Speed of the plane = 1200km/h

Time taken = 6 hours

Distance travelled = Speed x Time

1200km/h x 6 hrs

= 7200km

Now, Distance = 7200km

Time = 4 hours

Speed = Distance/Time

= 7200km/4hrs

= 1800km/h Ans.

I hope u have got ur answer.