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A room's floor is 15min size.

If its height is 4 m, then what is the volume of the air contained in the room?

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60dm 3

600dm 3

6000dm 3

60000dm 3

answer is D.

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Detailed Solution

Given that, area of the room’s floor is

15 m 2

; height is 4 m.
We have to find the volume of air contained in the room.
The formula that we will require to solve this question is-

V = A × h

First we will determine the new volume of the air contained in the room

V = 15 × 4

⇒ V = 60 m 3

⇒ V = 60 × 1000 d m 3 [1 m = 10 d m; 1 m 3 = 1000 d m 3]

⇒ V = 60000 d m 3

Therefore, the volume of the air contained in the room is

60000 d m 3

.
Hence, option 4 is the correct option.

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