Permutation and CombinationHard
Question
In an examination, there are 3 multi-choice questions with one answer correct and each question has 4 alternatives. If a student is declared pass only when he attempts all questions correctly, then number of ways in which he can fail (if He attempts all the questions) is
Options
A.1
B.12
C.27
D.63
More Permutation and Combination Questions
There are 10 seats in the first row of a theatre of which 4 are to be occupied. The number of ways of arranging 4 person...Number of ways of placing 5 identical balls in 3 different boxes (no box remain empty), is -...If f(x) = 2x + cot-1 x + ln , then f(x) :...Two groups of players consist of 6 and 8 players. In how many ways can a team of 11 players be selected from these two g...In how many ways the alphabets of the word ′MULTIPLE′ can be ordered other than itself, when the order of vo...