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If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A − B.

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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
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  1. {1, 3, 5}
  2. {3, 5, 7}
  3. {3, 5}
  4. {4}

Answer (Detailed Solution Below)

Option 3 : {3, 5}
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Detailed Solution

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Concept use:

A - B = The element which are present in A but not in B

Calculations:

If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, 

The Value of A - B = {3, 5} (The element which are present in A but not in B)

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