Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 1

• question_answer1) If 12 identical balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly 3 balls is : [JEE Main Solved Paper-2015 ]
  A)
  \[220{{\left( \frac{1}{3} \right)}^{12}}\]                 
  done clear
  B)
  \[22{{\left( \frac{1}{3} \right)}^{11}}\]
  done clear
  C)
  \[\frac{55}{3}{{\left( \frac{2}{3} \right)}^{11}}\]
  done clear
  D)
  \[55{{\left( \frac{2}{3} \right)}^{10}}\]
  done clear
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