Question
Download Solution PDFFind out the quantity of four-digit numbers that can be created by utilizing the digits from 1 to 9 if repetition of digits is not allowed?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
4 digit numbers that can be created by utilizing the digits from 1 to 9. if repetition of digits is not allowed then,
Formula Used:
nPr =
Calculation:
n = numbers from 1 to 9 = 9
r = 4
Required 4-digit number = 9P4
⇒
⇒
⇒
⇒ 3024
∴ The quantity of four-digit numbers that can be created is 3024.
Last updated on May 26, 2025
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