M is the father of L. R is the father of M. Q is the husband of S. L is the brother of Q. How is S related to M ?
Answer & explanation
Correct answer: option 2
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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