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How many 4 digit number not exceeding 4321 can be formed with

Question

How many $4$ digit number not exceeding $4321$ can be formed with the digits $1, 2, 3, 4$ if the repetition of digits in a number is not allowed?

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Mateo Discussed

How many

4

digit number not exceeding

4321

can be formed with the digits

1, 2, 3, 4

if the repetition of digits in a number is not allowed?

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

With

4

at thousand's place, no more

4

digit numbers are greater than

4321

\to

All numbers with

1, 2, 3, 4

do not exceed

4321

\to 4!

numbers

\Rightarrow 24 n u mb ers

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Question Text	How many $4$ digit number not exceeding $4321$ can be formed with the digits $1, 2, 3, 4$ if the repetition of digits in a number is not allowed?
Answer Type	Text solution:1
Upvotes	150