Arithmetic Ability
 Probability

107 / 132

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 :

View Answer

Correct choice: B

Explanation:

One person can select one house out of 3= 3C1 ways =3. Hence, three persons can select one house out of 3 in 3 x 3 x 3 =9. Therefore, probability that all thre apply for the same house is 1/9
107 / 132