A car covers a distance of 30 km and 250 metres in 25 minutes. The speed of the car in km per hour is _____.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 72.6.
Total distance = 30 km + 0.250 km = 30.25 km
Time = 25 minutes = 25/60 hours = 5/12 hours
Speed = distance / time = 30.25 ÷ (5/12) = 30.25 × 12 / 5 = 72.6 km/h