Question discussion

How many different 3-digit numbers can be formed from the digits 1, 2, 3, 4, 5 without repeating any digit?

2251Medium DSSSB TGT Computer Science 0 replies 1 views
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How many different 3-digit numbers can be formed from the digits 1, 2, 3, 4, 5 without repeating any digit?

  • A30
  • B60
  • C120
  • D125
Correct answer: B

Explanation

The three places can be filled in 5 × 4 × 3 = 60 ways.

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