‘U + W’ means ‘U is the father of W’;

‘U – W’ means ‘U is the wife of W’;

‘U × W’ means ‘U is the brother of W’; and

‘U ÷ W’ means ‘U is the daughter of W’.

If ‘K ÷ L + M + N’, then how is K related to N?

Aunt

ATQ,

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Please note:

  l   ⇒ Vertical line shown "generation gap".

 =  ⇒ Double lines shown "relation of spouse" 

—  ⇒ Horizontal line shown "relation in same generation other than spouse".

     ⇒ Rectangular box shown " Male".

     ⇒ Circular box shown " Female".

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