A boy walks to his school at a distance of 6 km with constant
speed of 2.5 km/h and walks back with a constant speed of
4 km/h. His average speed for round trip expressed in km/h, is
24
40
1
(a)
(c) 3
13
(d) 2
13
Answers
Answered by
2
Answer:
3.25km/h
Explanation:
Avg speed=Total distance covered/Total no. of intervals(starting and endingb path)==>2.4+4/1+1==>6.5/2=3.25Km/h
Hope u get it...
Similar questions