The length, breadth and height of a room are in ratio 3:2:1. If breadt – McqOptions

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1.	The length, breadth and height of a room are in ratio 3:2:1. If breadth and height are halved while the length is doubled, then the total area of the four walls of the room will
A.	remain the same
B.	decrease by 13.64%
C.	decrease by 15%
D.	decrease by 18.75%
E.	decrease by 30%
Answer» F.

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