Permutation and CombinationHard
Question
nPn is equal to-
Options
A.nP1
B.n+1Pn + 1
C.n-1Pr+1
D.None of these
More Permutation and Combination Questions
Four dice are rolled. The number of possible outcomes in which at least one die shows 2 is-...5 Questions are asked in a question paper. Out of which two questions can be solved by two- two methods, two question by...Using all digits 2,3,4,5,6, how many even numbers can be formed?...The total number of ways to purchase one or more books from 4 books by a student are-...8 chairs are numbered from 1 to 8. Two women & 3 men wish to occupy one chair each. First the women choose the chairs fr...