Multiple choice

A tourist covers half of his journey by train at 60 km/hr, half of the remainder by bus at 30 km/hr and the rest by cycle at 10 km/hr. The average speed of the tourist in km/hr during his entire journey is

  1. 36

  2. 30

  3. 24

  4. 18

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let the total distance covered be ‘D’. Now, average speed = $\dfrac{d}{\text{Total time taken}}$