The volume of a cuboid with length, breadth and height 5x, 3x² and 7x⁴ respectively is:

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• A 105x^7
• B 105x^2
• C 105x^4
• D 105x

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Answer: A. 105x^7

Volume = length x breadth x height = 5x x 3x² x 7x⁴ = 105x^7.

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