A box contains 5 red balls 4 white balls 3 green balls in how many ways 3 balls be drawn fron bix without replacement so that 2 of them are green
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1st ball= 3/12.. without replacement..
2nd ball=2/11
3rd ball= 1/10
2nd ball=2/11
3rd ball= 1/10
deedeepi98:
But the answer is 21 how is it
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