Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find the number of all five digit numbers which have atleast one digit repeated.
Text Solution
Verified by ExpertsThe correct answer is:
62784
(62784)
Sol. The number of all 5-digited number is = 9 × 10 × 10 × 10 × 10 = 90000 and the number of those five digited numbers which have no digit repeated = 9 × 9 P 4 = 9 × 9 × 8 × 7 × 6 = 27216
∴ Required number = 90000 – 27216 = 62784
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