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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}}{{}^{n}C_{r-1}}=\frac{5}{2}), which relation is formed?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIn circular seating of (n) people, if exactly (k) people lie between (A) and (B) in one direction, what is the core counting idea?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIn a line of (10) people, if exactly (3) people are between (A) and (B), what is the count?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsIf (x_1+x_2+x_3=24) and (0\leq x_i\leq8), which expression gives the valid count?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsWhat is the correct simplified form of (\sum_{r=0}^{n}{}^{n}C_r{}^{n-r}C_m)?Class 11Permutations and CombinationsDerivations of formulas and their connectionsExpert MathematicsFrom (9) members, (4) are to be chosen. Both members of pair (P) cannot be chosen together and at least (1) member of pair (Q) must be chosen. The two pairs are disjoint. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpert Mathematics(9) identical balls are to be placed into (3) distinct boxes so that no box has more than (4) balls. How many ways are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom (8) people, two different pairs are to be formed so that no person appears in both pairs. How many ways are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsHow many non-negative integer solutions does (x_{1}+x_{2}+x_{3}+x_{4}=13) have if each (x_i\leq5)?Class 11Permutations and CombinationsCombinationsExpert MathematicsIf ( \binom{n}{2}=45 ), what is the value of ( \binom{n}{4} )?Class 11Permutations and CombinationsCombinationsExpert MathematicsWhat is the value of ( \sum_{r=0}^{4}\binom{6}{r}\binom{8}{4-r} )?Class 11Permutations and CombinationsCombinationsExpert MathematicsWhat is the coefficient of (x^8) in ( (1+x)^5(1+x)^7 )?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom the letters of the word BANANA, (5) letters are selected, and identical letters are not distinguished. How many distinct selections are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom the letters of the word MISSISSIPPI, (4) letters are selected, and identical letters are not distinguished. How many distinct selections are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsThere are (7) points on one line and (5) points on another parallel line. How many quadrilaterals can be formed using these points as vertices?Class 11Permutations and CombinationsCombinationsExpert MathematicsAmong (10) persons, (A) and (B) are special. How many ways can (5) persons be chosen so that exactly one of (A) and (B) is selected?Class 11Permutations and CombinationsCombinationsExpert MathematicsAmong (13) persons, two particular persons are (P) and (Q). How many ways can (6) persons be chosen so that (P,Q) are either both selected or both not selected?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom (10) persons, first a named committee of (3) members and then a different named committee of (4) members from the remaining persons are formed. How many ways are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom the numbers (1) to (12), (4) numbers are chosen so that their sum is even. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpert MathematicsFrom the numbers (1) to (20), (3) numbers are chosen so that their sum is odd. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpert