a box contains 12 marbels of 3 different colours green,yellow and blue 4each,if you were to close your eyes and pick them at random how many marbels must you take out to be sure that there are at least two of each colour among the marbels you picked out?	Choose the correct option.
A) 4  B) 5  C) 6  D) 7  E) 8
you have 12 marbles:   g g g g y y y y b b b b   In order to definitely 2 of one color --   So you take out g y b. Then the next one you take will be the 2nd for one of these marbles. So you need to take out 4.   4NSWER:4
<result>A</result>
a box contains 12 marbels of 3 different colours green,yellow and blue 4each,if you were to close your eyes and pick them at random how many marbels must you take out to be sure that there are at least two of each colour among the marbels you picked out?