A man completes 40 km of a journey at
the speed of the 8 km/h and the remaining 20 of the journey in 2 h. His average speed for the whole journey is
) 8 km/h
b) 7 km/h
c) 6 km/h
d) 5 km/h
Answers
Answered by
2
options are wrong
options are wrongplease check this
soumen182004:
then where is option of that question?
8.5 is crrct
the options are wrong....
ys
bt 8 is impossible
that is not right I know
but 8.5 and 8 and so close. For this I have Chosen this option
question galat h be confident
ok
i also think so
Answered by
3
Av speed = total distance / total time
So total distance = 40+20=60 km
Total time = 40/8=5
= 5+2=7
So av speed = 60/7
8.5km/hr
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