Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyHow many $4$-digit numbers can be formed by using the digits $1$ to $9$ if repetition of digits is not allowed?
- A$3024$
- B$3025$
- C$3026$
- D$3027$
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Similar Questions
In how many of the distinct permutations of the letters in $MISSISSIPPI$ do the four $I$'s not come together?
Difficult
View Solution$4$ buses run between Bhopal and Gwalior. If a man goes from Gwalior to Bhopal by a bus and comes back to Gwalior by a different bus,then the total number of possible ways is:
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View SolutionIn how many ways can the letters of the word $MAXIMA$ be arranged such that all vowels are together and all consonants are together?
The number of four-digit even numbers that can be formed using the digits $0, 1, 2,$ and $3$ without repetition is:
MediumKCET 2025
View Solution$A$ three-digit number $n$ is such that the last two digits are equal and differ from the first digit. The number of such $n$'s is:
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