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Joint Entrance Examination
Mathematics
Probability
Question 277
Question 277 of 417
Easy
MCQ
Three houses available; three persons each apply for one house without consulting others. Find the probability all three apply for the same house.
A
2
/
9
2/9
2/9
B
1
/
9
1/9
1/9
C
8
/
9
8/9
8/9
D
7
/
9
7/9
7/9
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Official solution
\[P = 3\times\left(\frac13\right)^3 = \frac{1}{9}\]
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