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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।

MathematicsIf ( \binom{n}{2}=45 ), what is the value of ( \binom{n}{4} )?Class 11Permutations and CombinationsCombinationsExpertMathematicsWhat is the value of ( \sum_{r=0}^{4}\binom{6}{r}\binom{8}{4-r} )?Class 11Permutations and CombinationsCombinationsExpertMathematicsWhat is the coefficient of (x^8) in ( (1+x)^5(1+x)^7 )?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the letters of the word BANANA, (5) letters are selected, and identical letters are not distinguished. How many distinct selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the letters of the word MISSISSIPPI, (4) letters are selected, and identical letters are not distinguished. How many distinct selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsThere are (7) points on one line and (5) points on another parallel line. How many quadrilaterals can be formed using these points as vertices?Class 11Permutations and CombinationsCombinationsExpertMathematicsAmong (10) persons, (A) and (B) are special. How many ways can (5) persons be chosen so that exactly one of (A) and (B) is selected?Class 11Permutations and CombinationsCombinationsExpertMathematicsAmong (13) persons, two particular persons are (P) and (Q). How many ways can (6) persons be chosen so that (P,Q) are either both selected or both not selected?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (10) persons, first a named committee of (3) members and then a different named committee of (4) members from the remaining persons are formed. How many ways are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the numbers (1) to (12), (4) numbers are chosen so that their sum is even. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the numbers (1) to (20), (3) numbers are chosen so that their sum is odd. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom the numbers (1) to (15), (4) numbers are chosen so that their product is odd. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpertMathematicsA set of (12) elements has (4) special elements. How many (5)-element subsets contain at least (2) special elements?Class 11Permutations and CombinationsCombinationsExpertMathematicsIn a set of (10) elements, (a) and (b) are special. How many subsets contain (a) but do not contain (b)?Class 11Permutations and CombinationsCombinationsExpertMathematicsA set of (9) elements has (3) special elements. How many (5)-element subsets contain exactly (2) special elements?Class 11Permutations and CombinationsCombinationsExpertMathematicsA set of (9) elements has (3) special elements. How many (5)-element subsets do not contain all three special elements together?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many nonnegative integer solutions of (x_1+x_2+x_3+x_4=18) satisfy (x_1\le5)?Class 11Permutations and CombinationsCombinationsExpertMathematicsFor (x_1+x_2+x_3+x_4=20), with (x_1\ge5) and (x_2,x_3,x_4\ge1), how many positive integer solutions are there?Class 11Permutations and CombinationsCombinationsExpertMathematicsHow many ways can (12) identical pens be distributed among (3) students so that each gets at least (2) pens?Class 11Permutations and CombinationsCombinationsExpertMathematicsFrom (4) types of fruits, (6) fruits are to be selected, with unlimited quantity of each type. How many selections are possible?Class 11Permutations and CombinationsCombinationsExpert

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