50 children are standing in a line.
Every other child (child number 2, 4, 6, etc.) is wearing a hat.
Every third child (child number 3, 6, 9 etc.) is wearing mittens.
Every fourth child (child number 4, 8, 12 etc.) is wearing a scarf.
Which children (by number) are wearing all three - hat, mitten, and scarf?
Monday, January 25, 2010
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