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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 10 books, 4 are to be selected. Two specified books must either both be selected or both be left out. How many selections are possible?Class 11Permutations and CombinationsDerivations of formulas and their connectionsHardMathematicsA committee of 5 members is to be formed from 8 men and 6 women, with at least 3 women. Which expression represents the number of such committees?Class 11Permutations and CombinationsCombinationsExpertMathematicsA committee of 3 members is to be formed from 18 members with one fixed member included. How many committees are possible?Class 11Permutations and CombinationsCombinationsMediumMathematicsFrom (13) students, (5) are to be selected, but one fixed student must not be selected. How many ways are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom 5 mathematics, 4 physics, and 3 chemistry books, 5 books are selected with at least 1 book from each subject. How many selections are possible?Class 11Permutations and CombinationsCombinationsHardMathematicsFrom the numbers 1 to 25, how many ways are there to choose 3 odd and 2 even numbers?Class 11Permutations and CombinationsCombinationsHardMathematicsA school has to form a debate team of 3 students from 8 students. Two particular students cannot be on the same team. Which expression correctly gives the number of such teams?Class 11Permutations and CombinationsCombinationsMediumMathematicsFrom (8) different keys, (2) keys are to be selected and one particular key must not be selected. How many ways are there?Class 11Permutations and CombinationsCombinationsEasyMathematicsFrom 5 white and 7 black balls, 4 balls are to be selected and all must be black. How many selections are possible?Class 11Permutations and CombinationsCombinationsEasyMathematicsFrom 7 different posters, 2 posters are to be selected, but one particular poster must be included. How many selections are possible?Class 11Permutations and CombinationsCombinationsEasyMathematicsFrom (15) questions, (5) questions are to be selected, but (3) special questions must not be selected. How many ways are there?Class 11Permutations and CombinationsCombinationsEasyMathematicsA committee of (4) is to be formed from (11) members excluding one fixed member. How many ways are there?Class 11Permutations and CombinationsCombinationsEasyMathematicsIn an exam paper, one question is chosen from 2 in section A, two questions from 4 in section B, and one question from 3 in section C. The first two questions of section B cannot be chosen together. How many selections are possible?Class 11Permutations and CombinationsFundamental principle of countingHard

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