Posted by Christina on Tuesday, October 9, 2012 at 9:38pm.
When items in a box are put in groups of 3 or 5 or 6, there is always 1 item left over. How many items are in the box if there are fewer than 50?

math  Reiny, Tuesday, October 9, 2012 at 10:12pm
numbers divided by 3 with a remainder of 1 are:
4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49
numbers divided by 5 with a remainder of 1 are:
6 11 16 21 26 31 36 41 46
numbers divided by 6 with a remainder of 1 are :
7 13 19 25 31 37 43 49
did I make it obvious enough ?