A + B means ‘A is the sister of B’.
A × B means ‘A is the father of B’:
A ÷ B means ‘A is the brother of B’:
Which of the following expressions means 'H is the grandson of P'?

K + P × D × H × M

After checking all the options, we get the answer from option (iv):

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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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