BA LLB Banaras Hindu University 2016 Solved Paper

Question : 122 of 170

Marks: +1, -0

A man covers half of his journey as

6 {km} \/ {h}

and the remaining half at

3 {km} \/ {h}

. His average speed is

Solution:

Required average speed

=\;{2 v_{1} v_{2}}/{V_{1}+v_{2}}=\;{2 × 6 × 3}/{6+3}=\;{2 × 6 × 3}/{9}=4 {km} {/} {h}

Go to Question:

Prev Question

Next Question