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A four digit number is formed using the digits 1, 2, 3, 5 with no repetitions. Find the probability that the number is divisible by 5.

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four digit number formed with out repetition is 4!
the number to be divisible 5 the last digit must be 5
- - - 5 we can fill the three place in 3! ways
the probability is 3!/4! =1/4
9 years agoHelpfull: Yes(2) No(0)

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