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How many three-digit numbers can be formed from 32564 without repeating any of the digits?

Mathematics
JAMB 2002

How many three-digit numbers can be formed from 32564 without repeating any of the digits?

  • A. 120
  • B. 10
  • C. 20
  • D. 60
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Correct Answer: Option D
Explanation

To get the answer, we simply do

\(\frac{5!}{(5 - 3)!}\)

= \(\frac{5 \times 4 \times 3 \times 2 \times 1}{2 \times 1}\)

= 60


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Post UTME Past Questions Agent
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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