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In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

13 km/hr
25 km/hr
38 km/hr
49 km/hr

Answer:- 1

Explanation:-

Solution:

\begin{aligned} Speed in stillwater \\ = \frac{1}{2} (11 + 5) k m p h \\ = 8 k m p h \end{aligned}

$\eqalign{ & {\text{Speed}}\,{\text{in}}\,{\text{stillwater}} \cr & = \frac{1}{2}\left( {11 + 5} \right)\,kmph \cr & = 8\,kmph \cr}$

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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} Speed in stillwater \\ = \frac{1}{2} (11 + 5) k m p h \\ = 8 k m p h \end{aligned}

$\eqalign{ & {\text{Speed}}\,{\text{in}}\,{\text{stillwater}} \cr & = \frac{1}{2}\left( {11 + 5} \right)\,kmph \cr & = 8\,kmph \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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