Question of the day:
A car during its journey travels 30 minutes at a speed of 40 km/hr and another 45 minutes at a speed of 60 km/hr, and another 2 hours at a speed of 70 km/hr. Find its average speed.
a)65 km/hr b) 56 km/hr c) 48 km/hr d) 63 km/hr e) None
No comments:
Post a Comment