Q.

Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is

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a

29

b

19

c

89

d

79

answer is B.

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Detailed Solution

For a particular house being selected probability =13 Probability(all persons apply for same house)= (13×13×13)3=19
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