A person travels from A to B at the rate of 20 {km} {/} {hr} and from {B} to {A} at the rate of 30 {km} {/} {hr}. What is the average rate of whole journey ?

Measures of Central Tendency and Dispersion

Question : 194 of 211

Marks: +1, -0

A person travels from

A

B

at the rate of 20

{km} {/} {hr}

and from

{B}

{A}

at the rate of

30 {km} {/} {hr}

. What is the average rate of whole journey ?

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