Class 11MathematicsPermutations and CombinationsDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
EasyThere are $5$ roads from a village to a city. In how many different ways can a villager go to the city and return back?
- A$25$
- B$20$
- C$10$
- D$45$
Explore More
Similar Questions
The number of ways in which first,second and third prizes can be given to $5$ competitors is
Easy
View SolutionCompute $\frac{7!}{5!}$
Easy
View SolutionIf four-digit numbers are formed by using the digits $1, 2, 3, 4, 5, 6, 7$ without repetition,then how many of these numbers are exactly divisible by $25$?
The number of integers greater than a million that can be formed using the digits $2, 3, 0, 3, 4, 2, 3$ is
How many words of $4$ distinct letters can be formed using the letters of the word $DHOLPUR$ if $L$ and $P$ are always excluded?
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo