Question 400625: How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated
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5 has to be the units digit
That leaves 2, 3, 6, 7 & 9 for the others.
The 100s is one of 5, then the 10s is one of 4.
--> 5*4 = 20
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