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In a rectangular hall of length 12m and breadth 8m, the sum of the areas of the floor and the ceiling is equal to the sum of the area of the four walls. Find the height of the hall. | |
A. | 10m [Wrong Answer] |
B. | 5m [Wrong Answer] |
C. | 7.5m [Wrong Answer] |
D. | 4.8m [Correct Answer] |