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Maths-

General

Easy

Question

$A comma B$ and $C$ are three non-empty sets. If $A subset of B$ and $B subset of C comma$ then which of the following is true?

$B - A = C - B$
$A \cap B \cap C = B$
$A \cup B = B \cap C$
$A \cup B \cup C = A$

The correct answer is: $A union B equals B intersection C$

We have, $A subset of B$ and $B subset of C$
$therefore A union B equals B blank a n d blank B intersection C equals B$
$rightwards double arrow A union B equals B intersection C$

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