Question

a man cover one third of his journey at 9 km per hour and the remaining at 5 km per hour is average speed is
$l$
​

Answer 1

Answer:

Let the total distance be 2x km.

Then,

Time taken =

6

x

+

3

x

=

6

3x

=

2

x

hours

∴Average speed=

time taken

Total distance

=

2

x

2x

km/hr

=4km/hr.