‘V + W’ means ‘V is the sister of W’

‘V - W’ means ‘V is the father of W’

‘V × W’ means ‘V is the mother of W’

‘V ÷ W’ means ‘V is the brother of W’

If ‘J + C × K − M’, how is J related to K?

Maternal 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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