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how many four digit natural numbers can be formed using the digits 1,2,3,4 if repitition is not allowed
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23 votes
23 votes
how many four digit natural numbers can be formed using the digits 1,2,3,4 if repitition is not allowed

User Tanvir Ather
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3.0k points

2 Answers

16 votes
16 votes
24 - (4x3x2x1 = 24) look it up online if you need more verification :)
User Prabu Samvel
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2.8k points
26 votes
26 votes
Your answer is 16 because there’s only 4 numbers without repetition those numbers can be used 4 times so 4x4
User Sauleil
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2.6k points
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