A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 100
Speed of plane in km/hr = 1800/5
Now, speed of plane in meter/second = 1800/5 × 5/18 = 100 m/s