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Class11

Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsAmong (10) persons, (3) are special. A committee of (6) must contain at least (2) special persons. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (6) couples, (5) persons are chosen with exactly one married couple included. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (8) couples, (4) persons are chosen, but no married couple should be selected together. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsIf ( \binom{11}{r}=\binom{11}{r-3} ), what is the value of ( r )?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (14) objects, (7) are chosen with exactly (3) objects from a fixed group of (5). How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsA (5)-card hand is chosen from a deck so that all cards are from the same suit. How many hands are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the numbers (1) to (8), (3) numbers are chosen so that their sum is even. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the numbers (1) to (15), (4) numbers are chosen so that no two are consecutive. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsThere are (4) parallel lines in one family and (5) parallel lines in another family. How many parallelograms are formed?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many rectangles are there in a grid of (5) rows and (4) columns of small rectangles?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (8) boys and (6) girls, (6) members are chosen so that the number of girls is twice the number of boys. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsAmong (11) students, two particular students are (A) and (B). How many ways can (5) students be chosen so that at least one of (A) or (B) is selected?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (12) persons, (5) are to be selected, but two particular persons must not be selected together. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many subsets of odd cardinality does a set with (9) elements have?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (8) consonants and (5) vowels, (5) letters are selected with at least (2) vowels. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many nonnegative integer solutions of (x+y+z=10) have each variable not greater than (5)?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many integer solutions of (x+y+z=12) satisfy (x\ge2), (y\ge3), and (z\ge0)?Class 11Permutations and CombinationsCombinationsExpertMathematicsIn a grid, how many shortest paths reach the destination using (5) right steps and (3) up steps?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (5) red, (4) blue, and (3) green balls, (4) balls are chosen with at least one ball of each color. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many ways are there to choose at least one book from (6) distinct books?Class 11Permutations and CombinationsCombinationsExpert

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