Question

If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey? 1 50kmph 2 45kmph 3 48kmph 4 55kmph

Answer 1

Answer:

Explanation:

60*x=120

40*y=120

x=2 hrs

y=3 hrs

total distance over total time

total time is 5 hours

120+120=240 total distance

240/5

=48 kmph

Hope It helps

Answer 2

Answer:

4 8 kmph

Explanation :

4 8 kmph Is the correct answer of this question  .

Given : If the total distance of a journey is 1 2 0 km .If one goes by 6 0 kmph and comes back at 4 0 kmph what is the average speed during the journey?

To solve : what is the average speed during the journey?

Solution :

6 0 * x  =  1 2 0

4 0 * y = 1 2 0

x = 2 hrs

y = 3 hrs

total distance over total time

total time is 5 hours

1 2 0 + 1 2 0 = 2 4 0 total distance

= 2 4 0 / 5

=  4 8 kmph

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