Question:

The number of ways of painting the faces of a cube of six different colours is

Updated On: May 20, 2022
  • $1$
  • $6$
  • $6!$
  • $36$
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The Correct Option is A

Solution and Explanation

The number of faces is equal to the number of colours.
Therefore the number of ways of painting them is 1.
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Concepts Used:

Permutations

A permutation is an arrangement of multiple objects in a particular order taken a few or all at a time. The formula for permutation is as follows:

\(^nP_r = \frac{n!}{(n-r)!}\)

 nPr = permutation

 n = total number of objects

 r = number of objects selected

Types of Permutation

  • Permutation of n different things where repeating is not allowed
  • Permutation of n different things where repeating is allowed
  • Permutation of similar kinds or duplicate objects