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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।

MathematicsWhich word is the best signal to treat ⁿCᵣ as an unordered selection?Class 11Permutations and CombinationsCombinationsEasyMathematicsIf the special object is not included in the selection for (^{n}C_r) what is the count?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf one object is treated as special among (n) distinct objects what is the included case count for (^{n}C_r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsUsing complementary identity (^{n}C_n=1) can be understood as equal to what?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf (^{n}C_r=^{n}C_{r+2}) which relation is possible?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhat is the correct value of the ratio (\frac{^{n}C_{r+1}}{^{n}C_r})?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhich formula counts choosing only (3) representatives from (7) people?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhat is the number of ways to make a committee of (5) and a remaining group of (7) from (12) students?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIn the factorial formula of (^{n}C_r) what extra counting is removed by (r!)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhich formula shows choosing (8) from (11) as leaving (3)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhat is the complementary meaning of equality of (^{n}C_r) and (^{n}C_{n-r})?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsTo obtain (^{n}C_4) from (^{n}P_4) by what should we divide?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf (^{n}C_2=^{n}P_2\div k) what is (k)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf (^{n}C_2) is connected with edges of a graph what does it mean?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf only (2) members are to be chosen from (7) players which formula is used?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhat is the correct value of (\frac{^{n}C_r}{^{n}C_{r-1}})?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhy do both (r!) and ((n-r)!) appear in the denominator of the formula for (^{n}C_r)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsIf handshakes are counted by (^{15}C_2) what is the idea behind division by (2)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhy is order not counted in nCᵣ?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasyMathematicsWhat is the coefficient of (x^r) in ((1+x)^n)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsEasy

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