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?

Answer:- 1

Explanation:-

Solution:

\begin{aligned} Average Speed \\ = [(2 \times 60 \times 30) / (60 + 30)] \\ = 40 k m p h \end{aligned}

$\eqalign{ & {\text{Average}}\,{\text{Speed}} \cr & = \left[ {\left( {2 \times 60 \times 30} \right)/\left( {60 + 30} \right)} \right] \cr & = 40\,kmph \cr}$

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", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

\begin{aligned} Average Speed \\ = [(2 \times 60 \times 30) / (60 + 30)] \\ = 40 k m p h \end{aligned}

$\eqalign{ & {\text{Average}}\,{\text{Speed}} \cr & = \left[ {\left( {2 \times 60 \times 30} \right)/\left( {60 + 30} \right)} \right] \cr & = 40\,kmph \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }