If A = 1, 2, 4 , B = 2, 4, 5 , C = 2, 5 , then (A - B) (B - C) is… - Vidyadip

MCQ

If $A = \{1, 2, 4\}, B = \{2, 4, 5\}, C = \{2, 5\},$ then $\ce{(A - B) \times (B - C)}$ is:

A
$\{(1, 2), (1, 5), (2, 5)\}$
✓
$\{(1, 4)\}$
C
$(1, 4)$
D
none of these.

✓

Answer

Correct option: B.

$\{(1, 4)\}$

$A = \{1, 2, 4\}, B = \{2, 4, 5\}$ and $C = \{2, 5\}$
$\ce{(A - B)} = \{1\}$
$\ce{(B - C)} = \{4\}$
So, $\ce{(A - B) \times (B - C)} = \{(1, 4)\}$

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