Question

a car covers a distance of 60km in 1 hour , 90 km in next 2 hour , 150 km in next 3 hour and 120 km in next 4 hours.find the average speed of car.

Answer 1

Hey there !

Solution: 42 km/hr

Refer to the attachment !

Hope it helped !

Answer 2

#AlexaRousey here!!

Average speed = Total distance / total time

Total distance = 60+90+150+120
= 420km

Total time = 1+2+3+4
= 10hr

Av speed = 420/10 = 42 km/hr

Thanks!!