38. Three equal cubes are placed lo...
Question

# 38. Three equal cubes are placed lo adjacently in a row. The ratio of total surface area of the new cuboid to that of the sum of the surface areas of the three cubes, is (1) 3:1 (2) 6:5 (3) 7:9 (4) 6:7

11th - 12th Class
Maths
Solution
189
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