The length, width and height of a room are in the ratio 5 : 4 : 2. If the length is increased by 20% and the width by 25% while the height is reduced by 25%, what will happen to the total area of the four walls of the room?

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TuteeHUB · Accepted Answer

Increase by $\frac{1}{5}$ of the initial area

TuteeHUB · Answer

Reduce to $\frac{1}{12}$ of the initial area

TuteeHUB · Answer

Increase to $\frac{1}{12}$ of the initial area

TuteeHUB · Answer

Reduce by $\frac{1}{5}$ of the initial area

1.	The length, width and height of a room are in the ratio 5 : 4 : 2. If the length is increased by 20% and the width by 25% while the height is reduced by 25%, what will happen to the total area of the four walls of the room?
A.	Reduce to \(\frac{1}{12}\) of the initial area
B.	Increase by \(\frac{1}{5}\) of the initial area
C.	Increase to \(\frac{1}{12}\) of the initial area
D.	Reduce by \(\frac{1}{5}\) of the initial area
Answer» B. Increase by \(\frac{1}{5}\) of the initial area

The length, width and height of a room are in the ratio 5 : 4 : 2. If the length is increased by 20% and the width by 25% while the height is reduced by 25%, what will happen to the total area of the four walls of the room?

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