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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।

MathematicsWhat is the value of (\binom{15}{7}-\binom{14}{7})?Class 11Permutations and CombinationsCombinationsHardMathematicsUsing Pascal's identity (\binom{13}{6}+\binom{13}{7}) is equal to which expression?Class 11Permutations and CombinationsCombinationsHardMathematicsA set of n objects contains two particular objects. Which expression gives the number of ways to select r objects such that exactly one of the two particular objects is included?Class 11Permutations and CombinationsCombinationsHardMathematicsIf (\binom{n}{7}=\binom{n}{11}), what will be the value of (n)?Class 11Permutations and CombinationsCombinationsHardMathematicsIf (\binom{n}{2}=190), what is the value of (n)?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (10) different pens and (8) different pencils (7) objects are to be selected with at least (2) pens and at least (2) pencils. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (12) men and (10) women a committee of (7) persons is to be formed with exactly (4) men. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (17) students (8) students are to be selected. At least (3) of (6) special students must be included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsA team of (7) students is to be formed from (15) students. Exactly (3) of (6) special students must be included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (13) colors (6) colors are to be selected. One fixed color must be included, another fixed color must be excluded, and at least one of two other colors must be included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsIn how many ways can at least (4) and at most (6) gifts be selected from (15) different gifts?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (11) doctors and (8) nurses a team of (7) people is to be formed with more doctors than nurses. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (10) English and (11) Hindi books (7) books are to be selected with at least (2) books from each language. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (12) mathematics and (9) physics books (7) books are to be selected with at least (4) mathematics books. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsA committee of (6) persons is to be formed from (13) persons and (2) special persons cannot be selected together. How many ways are possible?Class 11Permutations and CombinationsCombinationsHardMathematicsA league has 18 teams and 4 matches are played between every pair of teams. How many matches will be played?Class 11Permutations and CombinationsCombinationsHardMathematicsAmong (19) points (8) points are collinear and another (6) points are collinear on a different line. No other (3) points are collinear. How many triangles can be formed?Class 11Permutations and CombinationsCombinationsHardMathematicsAmong (22) points (9) points are collinear and another (6) points are collinear on a different line. No other (3) points are collinear. How many lines can be formed?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (15) players (7) players are to be selected and exactly (3) of (6) special players are selected. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (15) books (6) books are to be selected so that two special books do not appear together. How many ways are there?Class 11Permutations and CombinationsCombinationsHard

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