RRB NTPC · Set Theory Symbols

Exercise and reference answers

Matching pairs

1. Left

   Intersection symbol

   Right

   A ∩ B

2. Left

   Set with no elements

   Right

   Empty set (∅)

3. Left

   Common items in {a,b}&{b,c}

   Right

   1 item

4. Left

   Difference {1,2,3}\{2,3}

   Right

   {1}

Instructions

Match each set operation; U is the universal set