Find the length of the longest rod that can be placed in a room of dimensions 10 m x 10 m x 5 m.

Topic: Geometry &amp; Mensuration
Subtopic: Cuboid

A12 m

B15 m

C18 m

D20 m

Explanation

Diagonal of cuboid = Sqrt(l^2 + b^2 + h^2) = Sqrt(10^2 + 10^2 + 5^2) = Sqrt(100 + 100 + 25) = Sqrt(225) = 15 m.

Exam Relevance

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