A rectangular prism has faces, 8 edges and 5 vertices.

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Solution

The correct option is B 5
By Euler's formula,
F + V - E = 2
Given, the number of edges = 8 and the number of vertices = 5.
Putting the values in Euler's formula, we get,
F + 5 - 8 =2
So, F - 3 = 2
Hence, F = 5
So, the number of faces is 5.

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