Math, asked by kavehlalkaka, 1 month ago

A car covers the distance between two cities in 6 hours. A van covers the same distance in 5.5
hours by travelling 4km/hr faster than car. What is the distance between the two cities? Find
the speeds of the car and van.

Answers

Answered by karteekpuri99
0

Answer:

Correct option is

B

48 km/h

Letx consider, x= total distance covered by the car,

Time taken to complete the half distance with velocity v=40km/h,

t

1

=

2×40

x

=

80

x

hr. . . . .(1)

The time taken to complete another half distance with velocity u=60km/h

t

2

=

2×60

x

=

120

x

hr

The total time taken, t=t

1

+t

2

t=

80

x

+

120

x

=

48

x

hr

The average speed of the car,

v

avg

}}Answer:

=

x/48

x

=48km/h

The correct option is B.

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