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The number of ways in which the 4 faces of a regular tetrahedron can be painted with 4 different colours is
  • a)
    2
  • b)
    24
  • c)
    4
  • d)
    none of these
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The number of ways in which the 4 faces of a regular tetrahedron can b...
 The correct answer is A
Given are four faces and four different colours
So , number of colours for first face=4
No. of colours for 2nd face=3 (as one will be used by the first face)
No. of colours for 3rd face=2
No. of colours for 4th face=1
So total options are=4*3*2*1=4!=24
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The number of ways in which the 4 faces of a regular tetrahedron can be painted with 4 different colours isa)2b)24c)4d)none of theseCorrect answer is option 'A'. Can you explain this answer?
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