Question

abdul while driving to school computes the average speed of his bus 30 kmph and when returning the traffic was less so he compuye the average speed of 60kmph find the average speed.


btado koi exam chal rha h 5 marks ka question h ye​

Answer 1

Answer:

Let us assume that Abdul is travelling x kilometer distance while going to school.

Distance = Speed x Time

1)When it's average speed is 20 km/hr

x=v

1

×t

1

=20×t

1

2)When it's average speed is 30 km/hr

x=v

2

×t

2

=30×t

2

V

average

=

totaltimetaken

totaldistancetravelled

V

average

=

v

1

x

+

v

2

x

x+x

=

20

x

+

30

x

2x

=24 km h

−1

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