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A bag contains six white marbles and five red marbles. Find the number of ways in which four marbles can be drawn from the bag if they can be of any colour

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प्रश्न

A bag contains six white marbles and five red marbles. Find the number of ways in which four marbles can be drawn from the bag if they can be of any colour

योग
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उत्तर

Total number of marbles = 6 white + 5 red = 11 marbles

Since, we have to draw 4 marbles of any colour from the 11 marbels

∴ Required number of ways = 11C4  

Hence the required number of ways are 11C4 

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अध्याय 7: Permutations and Combinations - Exercise [पृष्ठ १२३]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 7 Permutations and Combinations
Exercise | Q 22.(i) | पृष्ठ १२३

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