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David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, mathematics, physics, chemistry and biology. What are his average marks?

165
269
375
4None of these

Answer:- 1

Explanation:-

Solution:

\begin{aligned} Average \\ = \frac{(76 + 65 + 82 + 67 + 85)}{5} \\ = \frac{375}{5} \\ = 75 \\ Hence, average = 75 \end{aligned}

$\eqalign{ & {\text{Average}} \cr & = \frac{{\left( {76 + 65 + 82 + 67 + 85} \right)}}{5} \cr & = \frac{{375}}{5} \cr & = 75 \cr & {\text{Hence,}}\,{\text{average}} = 75 \cr}$

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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 \\ = \frac{(76 + 65 + 82 + 67 + 85)}{5} \\ = \frac{375}{5} \\ = 75 \\ Hence, average = 75 \end{aligned}

$\eqalign{ & {\text{Average}} \cr & = \frac{{\left( {76 + 65 + 82 + 67 + 85} \right)}}{5} \cr & = \frac{{375}}{5} \cr & = 75 \cr & {\text{Hence,}}\,{\text{average}} = 75 \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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