Q:

A # B means ‘A is the sister of B’.
 A @ B means ‘A is the son of B’.
 A & B means ‘A is the father of B’.
 A % B means ‘A is the mother of B’.
 If W @ Q # T & Y @ M % K, then how is Q related to K?

• 1
  Mother’s sister
• 2
  Sister
• 3
  Mother
• 4
  Father’s sister