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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।

MathematicsFrom (14) questions (8) are to be selected and at least (4) of the last (6) questions must be selected. How many selections are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (13) students a team of (6) is to be formed in which (2) special students are either both included or both excluded. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (14) chairs (7) chairs are to be selected and none of (5) broken chairs is selected. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsTriangles are to be formed from (17) points. If (9) points are collinear then how many failed selections come only from those (9) points?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (16) numbers (7) numbers are to be selected with (3) fixed numbers included and (2) fixed numbers excluded. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (10) subjects (5) subjects are to be selected. Chemistry must be selected, biology must not be selected, and mathematics and physics must not both be selected together. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (12) distinct letters (5) letters are to be selected containing (a), not containing (b), and containing exactly one of (c,d). How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (13) fruits (6) fruits are to be selected but exactly (2) of (5) special fruits are chosen. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (12) friends (6) are to be selected for a trip and at least one of (4) special friends must go. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (9) white and (10) black balls (6) balls are to be selected such that all balls are not of the same color. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (20) students (7) are to be selected so that none of (6) special students is included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsHow many (6)-element subsets of (A={1,2,3,4,5,6,7,8,9,10,11,12}) contain (1) but do not contain both (5) and (6) together?Class 11Permutations and CombinationsCombinationsHardMathematicsHow many (6)-element subsets can be formed from (A={1,2,3,4,5,6,7,8,9,10,11,12,13}) that contain (1) and (2) but not (3) and (4)?Class 11Permutations and CombinationsCombinationsHardMathematicsUsing Pascal's identity (\binom{12}{5}+\binom{12}{6}) is equal to which expression?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (10) different pens and (9) 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 (16) students (7) students are to be selected. At least (2) of (5) special students must be included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsA team of (6) students is to be formed from (13) students. Exactly (3) of (5) special students must be included. How many ways are there?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (12) 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 (14) different gifts?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom (10) doctors and (8) nurses a team of (6) people is to be formed with more doctors than nurses. How many ways are there?Class 11Permutations and CombinationsCombinationsHard

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