Maharashtra State Board course HSC Science (General) 12th Board Exam
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If a = {2, 3, 4, 5, 6}, Then Which of the Following is Not True? - Mathematics and Statistics

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Question

If A = {2, 3, 4, 5, 6}, then which of the following is not true?

(A) ∃ x ∈ A such that x + 3 = 8

(B) ∃ x ∈ A such that x + 2 < 5

(C) ∃ x ∈ A such that x + 2 < 9

(D) ∀ x ∈ A such that x + 6 ≥ 9

Solution

Since, x = 2 ∈ A does not satisfy x + 6 ≥ 9.

∴ option (D) is not true

  Is there an error in this question or solution?

APPEARS IN

 2012-2013 (October) (with solutions)
Question 1.1.1 | 2.00 marks
Solution If a = {2, 3, 4, 5, 6}, Then Which of the Following is Not True? Concept: Mathematical Logic - Algebra of Statements.
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