AMC 8 Daily Practice Round 1

Complete problem set with solutions and individual problem pages

Problem 24 Medium

Among the positive integers less than 1000, how many are there with no repeating digit?

  • A.

    648

  • B.

    738

  • C.

    758

  • D.

    828

  • E.

    670

Answer:B
Solution

Three-digit numbers: 648

Two-digit numbers: 81

One-digit numbers: 9

In total: 738.

Related Problems
Problem 22 AMC 8 Daily Practice Round 1
Problem 23 AMC 8 Daily Practice Round 1
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