LearnFrenzy
Sign in Take a free test

Permutations and Combinations · Discussion forum

Hard Level Question 23 – answer, explanation & discussion

  • 0 comments
  • Answer explained
  • Moderated community
Question 23 Back to Exercise

Three dice are thrown. In how many of the outcomes is the total exactly 10?

  • A 36
  • B 24
  • C 25
  • D 27 Correct
Correct Answer: Option D

Count ordered triples (a, b, c), 1–6, with a + b + c = 10

Patterns: 6+3+1, 6+2+2, 5+4+1, 5+3+2, 4+4+2, 4+3+3

Orders: 6 + 3 + 6 + 6 + 3 + 3 = 27

Answer: 27

Discussion & Comments 0

Share your method, a shortcut, or ask about a step you didn't follow.

No comments yet. Be the first to share your solution!

Post your comment

Comments appear after a quick review by our team.

Search LearnFrenzy

Esc

Quick links