Q:

A + B means ‘A is the father of B’
 A – B means ‘A is the mother of B’
 A % B means ‘A is the brother of B’
 A & B means ‘A is the son of B’
 If A + B & C – D + E, then how is A related to E?

• 1
  Father’s brother
• 2
  Father
• 3
  Brother
• 4
  Father’s father