A is B's son. B is C's daughter. How is A related to C?
a) Option A
b) Option B
c) Option C
d) Option D

Grandson - A is son of C's daughter

Pointing to photo, man said 'Her father is my father's son'. Whose photo?
a) Option A
b) Option B
c) Option C
d) Option D

His daughter - My father's son = myself

If X is Y's brother and Z is Y's sister, how is X related to Z?
a) Option A
b) Option B
c) Option C
d) Option D

Brother - They share same sibling Y

A's mother is B's sister. How is A related to B?
a) Option A
b) Option B
c) Option C
d) Option D

Nephew/Niece - A is child of B's sibling

Ram is Shyam's father. Shyam is Mohan's son. Relation?
a) Option A
b) Option B
c) Option C
d) Option D

Same person or Ram=Mohan