If the length , breadth and height of a room are in the ratio 4 : 2 : 1 . If…
TCS · 2026
If the length , breadth and height of a room are in the ratio 4 : 2 : 1 . If the length and breadth are halved , while the height is doubled . Then the total area of the 4 walls of the room will be ?
- A.
decreased by 30 %
- B.
increased by 20 %
- C.
decreased by 15 %
- D.
there will be no change
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