The number of 4–digit numbers that can be made with the digits 1, 2, 3, 4 and 5 in which…
Mathematics · JEE Advanced · NTA Exams — Permutations and Combinations
The number of 4–digit numbers that can be made with the digits 1, 2, 3, 4 and 5 in which at least two digits are identical, is :
- 45 – 5!
- 505
- 600
- None of these
Answer
(B) 505
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The maximum number of permutations of 2n letters in which there are only a’s and b’s, taken all at a time is…
- The number of all possible selections of one or more questions from 10 given questions, each question having…
- If 3n different things can be equally distributed among 3 persons in k ways then the number of ways to divide…
- A debate club consists of 6 girls and 4 boys. A team of 4 members is to be selected from this club including…
- Ten different letters of an alphabet are given. Words with five letters are formed from these given letters…
- The number of ways of distributing 10 different books among 4 students (S 1 – S 4 ) such that S 1 and S 2 get…
- There are 100 different books in a shelf. Number of ways in which 3 books can be selected so that no two of…
- Seven different coins are to be divided amongst three persons. If no two of the persons receive the same…
More Permutations and Combinations questions · Browse all practice questions