Three digits number

From the numbers 1, 2, 3, 4, 5 create three-digit numbers that digits not repeat and number is divisible by 2. How many numbers are there?

Correct answer:

n =  24

Step-by-step explanation:

n32,4 n3=2 n21,2,3,4,5n3 n2=51=4  n1.1,2,3,4,5n2n3 n1=n21=41=3  n=n1 n2 n3=3 4 2=24



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