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Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
Easy

How many $3$-digit numbers can be formed by using the digits $1$ to $9$ if no digit is repeated?

  • A
    $504$
  • B
    $729$
  • C
    $81$
  • D
    $27$
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Class 11 Questions

Class 11

Mathematics Questions

Chapter

Permutation and Combination

Subtopic

Definition of permutation, Number of permutations with or without repetition, Conditional permutations

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