Question

6878
Example 3 Krishna covers a certain
distance by car at a speed of 35 km/h
and he returns back to the starting point
riding on a scooter with a speed of 25
km/h. Find the average speed for the
whole journey.
(a) 29.16 km/h
(b) 26.19 km/h
(c) 25 km/h
(d) 24.5 km/
1​

Answer 1

Answer:

average speed=2xy/(x+y)

=2*35*25/(25+35

=1750/60

=29.1666

option a