Probability · JEE Main previous year questions

2015 1 question

1. Q162015 · 4 Apr 2015 · Shift 1

   If 12 different balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly 3 balls is :

   1. A.$220{\left(\frac{1}{3}\right)}^{12}$
   2. B.$22{\left(\frac{1}{3}\right)}^{11}$
   3. C.$\frac{55}{3}{\left(\frac{2}{3}\right)}^{11}$
   4. D.$55{\left(\frac{2}{3}\right)}^{10}$
   Show answer

   Answer: C