Practice | Hashtable

Home > Practice > Arithmetic Aptitude > Average > Miscellaneous

1. A passenger travels from Delhi to Merut at a speed of 30 kmph and return with a speed of 60 kmph. What is the average speed?

A. 40

B. 45

C. 50

D. 48

Solution:

Average Speed

\begin{aligned} = \frac{2 \times 60 \times 30}{60 + 30} \\ = \frac{3600}{90} \\ = 40 kmph \end{aligned}

You must login to add comments. Login now.