A boy walks to his school with a constant speed of 5 km/h and reaches there in
Answers
Answered by
3
Answer:
Time for forward journey t
1
=
2.5
6
=
5
12
=2.4 hr
Time for backward journey t
2
=
4
6
= 1.5 hr
Average speed =
2.4+1.5
6+6
=
3.9
12 = 1340km/hr
Answered by
0
Answer:
4 km/h
Explanation:
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