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Capacity of cubical tank = 128 × 32 = 4096 m3 Let, side of cubical tank = ‘x’ m So, x3 = 4096 m3 x = 16 m So, height of cylindrical tank = 16 m Let, radius of cylindrical tank = ‘r’ m So, 2 × 22/7 × r × 16 = 1408 r = 14 m Volume of cylindrical tank = 22/7 × 14 × 14 × 16 = 9856 m3 Required difference = 9856 – 4096 = 5760 m³
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