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

MathematicsIf (\frac{{}^{n}C_{r+1}}{{}^{n}C_r}=\frac{4}{5}), which relation is correct?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{n}P_5=15{}^{n}P_4), what is the value of (n)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{30}C_{3r-2}={}^{30}C_{r+8}) and the lower indices are unequal, what is (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{n}C_{r}= {}^{n}C_{r+6}) and the indices are unequal, which relation is correct?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf (\frac{{}^{n}C_{r+1}}{{}^{n}C_r}=\frac{3}{4}), which relation is correct?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{n}P_4=12{}^{n}P_3), what is the value of (n)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{24}C_{2r-1}={}^{24}C_{r+8}) and the lower indices are unequal, what is (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{n}C_{r}= {}^{n}C_{r+4}) and the indices are not equal, what is the relation between (r) and (n)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf (\frac{{}^{n}C_{r+1}}{{}^{n}C_r}=\frac{2}{3}), what relation is formed between (n) and (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{n}P_3=10{}^{n}P_2), what is (n)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf ({}^{20}C_{3r-1}={}^{20}C_{r+5}) and the indices are not equal, what is (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf (^{15}C_{r}=^{15}C_{r+3}) and the indices are different, what is the value of (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsHard MathematicsIf (^{14}C_r=^{14}C_{r+4}), what is the value of (r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsHard MathematicsIf (\frac{^{n}C_4}{^{n}C_3}=2), which equation is formed correctly?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (^{21}C_x=^{21}C_{2x}) and (x\neq2x), what is (x)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (\frac{^{n}C_{r+1}}{^{n}C_r}=3), which equation is formed?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (^{18}C_x=^{18}C_{2x}) and (x\neq2x), what is (x)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (\frac{^{n}C_{r+1}}{^{n}C_r}=2), which equation is formed?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf (\frac{^{n}C_r}{^{n}C_{r-1}}=1), which relation is correct?Class 11Permutations and CombinationsDerivations of formulas and their connectionsMedium MathematicsIf \(f(x)=|x-3|\) and \(g(x)=|x+1|\), for which value of \(x\) is \((f-g)(x)=0\) true?Class 11Relations and FunctionsAlgebra of real functionsExpert