Class 11MathematicsPermutations and CombinationsDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyThe number of $7$ digit numbers which can be formed using the digits $1, 2, 3, 2, 3, 3, 4$ is
- A$420$
- B$840$
- C$2520$
- D$5040$
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Similar Questions
The number of five-digit numbers greater than $50000$ that can be formed by using all the digits $0, 1, 3, 5, 9$ only once is
How many words can be formed using any $3$ letters from the word $UNIVERSAL$?
Difficult
View SolutionHow many $6$-digit numbers can be formed from the digits $0, 1, 3, 5, 7,$ and $9$ which are divisible by $10$,given that no digit is repeated?
Medium
View SolutionHow many $3$-digit numbers can be formed by using the digits $1$ to $9$ if no digit is repeated?
Easy
View SolutionHow many ways are there to arrange the letters of the word $EDUCATION$ so that all the following three conditions hold?
- The vowels occur in the same order $(E, U, A, I, O)$.
- The consonants occur in the same order $(D, C, T, N)$.
- No two consonants are next to each other.
- The vowels occur in the same order $(E, U, A, I, O)$.
- The consonants occur in the same order $(D, C, T, N)$.
- No two consonants are next to each other.
MediumKVPY 2015
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