Question

A car travels vom a house to the
otice at va
speed on 60 km/hr &
puturns with a spud os 40 km/her af
the distance b/w the office & house
is 100 km. calculate the average
speed for whole journey.​

Answer 1

Answer:

Using speed =

Time

Distance

⇒Time=

speed

distance

We have total time =

60

100

+

40

100

=

6

25

Hr

Now, Average speed =

Time

(tot)

Distance

(tot)

=

6

25

200

⇒ Average spped =

25

1200

=48km/h

Explanation:

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