English

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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Question

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

Sum
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Solution

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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Chapter 7: Permutations and Combinations - Exercise [Page 123]

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NCERT Exemplar Mathematics [English] Class 11
Chapter 7 Permutations and Combinations
Exercise | Q 22.(i) | Page 123

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