Instructions

In each of these questions, two statements I and II follow a question. Mark your answer as:

Question 116

There are three sets $$A, B and C$$. Find $$A \cap (B \cap C)$$
I. $$A \cup B and A \cup C$$ are known.
II. $$A \cap B and A \cap C$$ are known

Solution

$$A \cap (B \cap C)$$ = $$(A \cap B)$$ $$\cup (A \cap C)$$

Thus, we need to know the value of both $$(A \cap B)$$ and $$(A \cap C)$$ to find the solution, which is given only in statement II.

Thus, the question can be answered by using one statement alone, but not by using other statement alone.

=> Ans - (A)

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There are three sets $$A, B and C$$. Find $$A \cap (B \cap C)$$I. $$A \cup B and A \cup C$$ are known.II. $$A \cap B and A \cap C$$ are known