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Sets — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSSets1 Mark
MCQ
IF A = [5, 6, 7] and B = [7, 8, 9] then $\text{A }\cup \text{ B}$ is equal to.
  • A
    [5, 6, 7, 8, 9]
  • B
    [5, 6, 7]
  • C
    [7, 8, 9]
  • D
    None of these
✓

Answer

  1. [5, 6, 7, 8, 9]

Solution:

Given A = [5, 6, 7] and B = [7, 8, 9]

then $\text{A }\cup \text{ B}$ = [5, 6, 7, 8, 9]

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