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The volume of air in a room which is $10 m$ long, $6.5 m$ wide, and $5 m$ height, is:

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425

m^{3}

225

m^{3}

325

m^{3}

None of the above

answer is C.

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Detailed Solution

Given that, room’s length (l) =

10 m,

breadth (b) =

6.5 m

and height (h) =

5 m .

We have to find the volume of air in a room.
We know, volume of the air

=

volume of the room
Therefore, volume of air

= l \times b \times h

\Rightarrow V = 10 \times 6.5 \times 5

\Rightarrow V = 325 m^{3}

Therefore, volume of air is

325 m^{3} .

Hence, option 3 is correct.

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