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Question: Answered & Verified by Expert
If three distinct vertices are chosen at random from the vertices of a cube, then the probability that they form the vertices of an equilateral triangle, is
MathematicsProbabilityAP EAMCETAP EAMCET 2018 (24 Apr Shift 2)
Options:
  • A $\frac{1}{7}$
  • B $\frac{2}{7}$
  • C $\frac{1}{2}$
  • D $\frac{1}{8}$
Solution:
2867 Upvotes Verified Answer
The correct answer is: $\frac{1}{7}$
No solution. Refer to answer key.

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