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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Permutation and Combination

NDA 2010 · Mathematics · Permutation and Combination

What is the number of three-digit odd numbers formed by using the...

What is the number of three-digit odd numbers formed by using the digits 1,2,3,4,5,61,2,3,4,5,6 if repetition of digits is allowed?

Options

  1. A60
  2. B108
  3. C120
  4. D216

Correct answer

B. 108

Step-by-step solution

The correct answer is option (B).
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