Question

x or y do bhai hai.b a ka bhai hai. lekin a x ki maa hai b y ka kon hai

Answer 1

I think b y ka mama hai

Answer 2

Heya...
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Let's Study the question properly:-
X - Y are two Brothers
B is A's Brother
But A is the mother of X
So, who's Y for B
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It's given that X and Y are brothers
So both are male
A = Mother of X ( False )
Mother is not male
So, we can finalize that the question is wrong.
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HOPE IT HELPED YOU