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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।

MathematicsHow many subsets with at least (6) elements does a set of (8) elements have?Class 11Permutations and CombinationsCombinationsLevel 63ExpertMathematicsChoose (5) numbers from (1) to (25) so that no two are consecutive. How many selections are possible?Class 11Permutations and CombinationsCombinationsLevel 63ExpertMathematicsFrom 5 science and 6 arts students, in how many ways can 1 science student and 3 arts students be selected?Class 11Permutations and CombinationsCombinationsLevel 62EasyMathematicsIn how many ways can at least 2 fruits be selected from 4 fruits?Class 11Permutations and CombinationsCombinationsLevel 62EasyMathematicsFrom 5 boys and 4 girls, in how many ways can 2 boys and 2 girls be selected?Class 11Permutations and CombinationsCombinationsLevel 62EasyMathematicsFrom 4 white and 5 black balls, in how many ways can 2 black balls be selected?Class 11Permutations and CombinationsCombinationsLevel 61EasyMathematicsFind the value of C(9, 2).Class 11Permutations and CombinationsCombinationsLevel 61EasyMathematicsFind the value of C(10, 3).Class 11Permutations and CombinationsCombinationsLevel 61EasyMathematicsFrom 5 boys and 4 girls, how many ways are there to select 2 boys?Class 11Permutations and CombinationsCombinationsLevel 61EasyMathematicsSix distinct keys are assigned to six distinct locks. In how many ways will no key go to its correct lock?Class 11Permutations and CombinationsPermutationsLevel 59HardMathematicsWhat is the value of 5!?Class 11Permutations and CombinationsFactorial notationLevel 55EasyMathematicsA (6)-letter code has letters from (M,N,O) in the first (2) positions and letters from (P,Q,R,S) in the last (4) positions. The first (2) positions have no repetition, while repetition is allowed in the last (4) positions. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsIn a (5)-slot lock, each slot contains a number from (1) to (4). At least one slot must contain (4). How many locks are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA (4)-digit number is formed from (1,2,3,4,5,6,7,8). Exactly (1) digit must be from (1,2,3) and the remaining (3) digits from (4,5,6,7,8). No repetition is allowed. How many numbers are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsIn a (3)-subject exam, a student chooses one of (2) difficulty levels for each subject and one of (4) sets for each subject. How many exam profiles are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematics(4) students are to be seated on (6) different chairs. Each chair can have at most (1) student. How many seating arrangements are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA train ticket code has (1) zone, (1) class, and (2) digits. There are (4) zones. If the zone is North, there are (3) class choices; for the other (3) zones, there are (5) class choices. Digits may repeat. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA security card has a row of (3) symbols. Each position can be filled with one of (6) symbols, but all three symbols must not be identical. How many cards are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA (5)-digit number must contain exactly (2) digits equal to (7), and the remaining (3) positions may contain any digit from (0) to (9) except (7). The first digit cannot be (0). How many numbers are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsFrom (10) books, one book is to be placed on each of (3) different shelves. No book can be placed on two shelves. How many ways are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53Expert