Permutation and CombinationEasy
Question
In a library there are p copies of each n different books. The number of ways of selecting of one or more books from these is-
Options
A.(p + 1)n −1
B.(p + 1)n
C.(p − 1)n −1
D.(p − 1)n
More Permutation and Combination Questions
The number of ways in which 3 different red, 3 different white and 3 different black balls can be arranged in a line suc...The number of ways in which at least one fruit can be selected from 5 oranges, 4 apples and 3 bananas is-...The number of numbers can be formed by taking any 2 digits from digits 6,7,8,9 and 3 digits from 1,2,3,4,5 is -...The total number of factors of 1998 (including 1 and 1998) is-...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...