Question

Pointing to a photograph monica said, "he is the brother of the son of my grandfather's only daughter. "how is the man related to monica?

Answer 1

May be her own brother or cousin

Answer 2

As , Monica's grandfather's daughter would be aunt of her .
And the son of Monica's aunt would be cousin brother of Monica .
Hence , the man would be his cousin brother in blood relations.
Hope it helps!
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