English

There are 12 points in a plane of which 5 points are collinear, then the number of lines obtained by joining these points in pairs is 12C2 – 5C2.

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Question

There are 12 points in a plane of which 5 points are collinear, then the number of lines obtained by joining these points in pairs is 12C25C2.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is False.

Explanation:

Required number of lines = 12C25C2 + 1

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Chapter 7: Permutations and Combinations - Exercise [Page 126]

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NCERT Exemplar Mathematics Exemplar [English] Class 11
Chapter 7 Permutations and Combinations
Exercise | Q 51 | Page 126

Video TutorialsVIEW ALL [1]

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