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Check the validity of the following statement.q: 131 is a multiple of 3 or 11 - Mathematics

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Question

Check the validity of the following statement.
q: 131 is a multiple of 3 or 11

Sum

Solution

Given that q: 131 is a multiple of 3 or 11.

Let p: 131 is a multiple of 3.

And r: 131 is a multiple of 11.

Here p is not true and r is also not true i.e., false.

So, p ∨ r is false.

Hence, q is not valid.

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Chapter 14: Mathematical Reasoning - Exercise [Page 265]

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NCERT Exemplar Mathematics [English] Class 11
Chapter 14 Mathematical Reasoning
Exercise | Q 13.(ii) | Page 265

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