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Volume of the air in the room = length X width X height = 28 X 16 X height = 2240 So, height of the room = 2240 ÷ (28 X 16) = 5 metres So, area of large side of the wall = length X height = 28 X 5 = 140 m2 Area of small side of the wall = 16 X 5 = 80 m2 So, total area of the wall = (140 X 2) + (80 X 2) = 440 m2 So, cost of painting the side walls of the room = 440 X 32 = Rs. 14,080
5, 5, 15, 75, ?, 4725
8, 24, 48, 80, ?, 168
8 13 36 123 ? 2585
250, 279, 311, 349, 396, ?
840, 2520, 630, 3150, ?, 3675
12, 24, 46, 78, 120, ?
81, 41, 42, 64.5, ?, 330
8, 58, 75, 94, 115, ?
200 ? 96 38.4 7.68 0