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Factorials

Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf \(^{n}C_r=\frac{^{n}P_r}{120}\), what is the value of (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsWhat is the value of ({}^{5}P_{0}+{}^{5}P_{2})?Class 11Permutations and CombinationsPermutationsEasy MathematicsIn the word (RADAR), (R) occurs twice and (A) occurs twice. How many distinct arrangements are possible?Class 11Permutations and CombinationsPermutationsEasy MathematicsWhich formula represents the number of ways of selecting r objects from n distinct objects without repetition when order matters?Class 11Permutations and CombinationsPermutationsEasy MathematicsIf nP0 is asked, what is its value?Class 11Permutations and CombinationsPermutationsEasy MathematicsWhat is the value of 5P1?Class 11Permutations and CombinationsPermutationsEasy MathematicsWhat is the value of \( \frac{24!}{21!\cdot3!}-\frac{23!}{20!\cdot3!} \)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsWhat is the value of \( \frac{12!}{8!\cdot4!}+\frac{12!}{9!\cdot3!} \)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsWhat is the value of \( \frac{20!}{18!\cdot2!}+\frac{19!}{17!\cdot2!} \)?Class 11Permutations and CombinationsFactorial notationExpert MathematicsWhat is the value of \(\frac{10!}{2!\cdot 8!}\times\frac{8}{9}\)?Class 11Permutations and CombinationsCombinationsHard MathematicsIf \(\frac{(n+1)!}{(n-1)!}-\frac{n!}{(n-2)!}=24\), what is the value of \(n\)?Class 11Permutations and CombinationsPermutationsHard