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Model Paper 4 — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSModel Paper 41 Mark
MCQ
Given the sets $A=\{1,2,3\}, B=\{3,4\}, C=\{4,5,6\}$, then $A \cup(B \cap C)$ is
  • A
    (1, 2, 3)
  • B
    (3)
  • C
    (1,2,3,4,5,6)
  • D
    (1,2,3,4,5)
✓

Answer

(d) $\{1,2,3,4\}$
Explanation: Given $A=\{1,2,3\}, B=\{3,4\}$ and $C=\{4,5,6\}$
$\begin{array}{l}B \cap C=(4) \\ A \cup(B \cap C)=\{1,2,3,4\}\end{array}$

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