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Question

If A = {x: x is a vowel} and B C = {y: y is a letter in english alphabet}, then
(A - B) (A - C) is


A
Null set
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B
Set of consonants
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C
Set of vowels
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D
None of these
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Solution

The correct option is A Null set

(AB)(AC)=A(B U C) = {x: x is a vowel} - {y: y is a letter in english alphabet} = { }
So, option A is correct.

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