Answered

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A 3 digit number is formed from 1, 3, 4, 5. What is the probability of forming a 3 digit number without repetition which is divisible by 2?1 / 61 / 51 / 41 / 3

Sagot :

Answer

1/4

Explanation

The number of the digit is 4

The number of ways of forming 3 digit numbers= p(4,3) =24

The number of 3 digit numbers that is divisible by 2 =c(4,2)=6

(Since the numbers are 1,3,4 and 3,4,5)

Therefore the probability of forming a 3 digit number=6/24 =1/4

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