Question
Four houses are available in a locality. Four persons
apply for the houses. Each applies for one house without consulting others. The probability that all the four apply for the same house is :Solution
One person can select one house out of 4 = 4C1 ways = 4 Hence, three persons can select one house out of 4 in 4 x 4 x 4 = 64 Therefore, probability that all thre apply for the same house is 1/16
More ESIC Part B Questions
4, 7, 12, 21, 36, ?
3, 8, 27, 124, ?
150, 158, 131, 195, 70, ?Â
 5, 6, 14, 45, 184, ? Â
What will come in place of the question mark (?) in the following series?
4, 8, 2, 12, 1.5, ?
12    48      192      ?      3072       12288
...84, 63, ?, 283.5, 1701
- What will come in place of the question mark (?) in the following series?
24, 35, 57, 90, 134, ? 3, 8, 18, 33, 53, ?
562, 628, 698, ?, 850
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