A person travels from X to Y at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for both the trips?

Option 1)
36 kmph
Option 2)
30 kmph
Option 3)
48 kmph
Option 4)
50 kmph
Option 5)
45 kmph

Answers (1)

R rishi.raj

$x to y= 40km/h$
$y \: to\: x = 40*\left ( \frac{150}{100} \right ) = 60km/h$
$Avg. Speed = \frac{\left (10*60*2 \right )}{\left ( 40+60 \right )}= 48km/h$