The length, breadth and height of the room are in the ratio 3 : 2 : 1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will :

The length, breadth and height of the room are in the ratio 3 : 2 : 1.

1.	The length, breadth and height of the room are in the ratio 3 : 2 : 1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will :
A.	ecrease by 13.64%
B.	ecrease by 15%
C.	ecrease by 18.75%
D.	ecrease by 30%
Answer» E.

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The length, breadth and height of the room are in the ratio 3 : 2 : 1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will :

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