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Probability question

2015 · Shift 0 · Q27

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PYQ Library
JEE Main
Mathematics
Probability
2015 · Shift 0 · Q27

Probability question

2015 · Shift 0 · Q27

JEE MainMathematicsProbabilityMCQ+4 / −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 :

A
$220{\left( {{1 \over 3}} \right)^{12}}$
B
$22{\left( {{1 \over 3}} \right)^{11}}$
C
${{55} \over 3}{\left( {{2 \over 3}} \right)^{11}}$
D
$55{\left( {{2 \over 3}} \right)^{10}}$

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