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Manish Lakra
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Asked: 2025-02-01T05:45:43+00:00 In:

If n(A) = 17,  n(B) = 8 for two disjoint sets A and B, then n(A ∪ B) =

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Poll Results

3.13%9 ( 1 voter )
3.13%23 ( 1 voter )
84.38%25 ( 27 voters )
9.38%None of these  ( 3 voters )
Based On 32 Votes

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    1 Answer

    1. Choice (c) is correct. As A and B are disjoints sets. n(A ∪ B) = n (A) +n (B) = 17 + 8 = 25
      This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.

      For more please visit here:
      https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1

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