A is the son of B. B's sister C has a son D and a daughter E. F is maternal uncle of D. Answer Question Nos. 1 to 4 based on this information.
1. How is A related to D ?
(1) Cousin
(2) Nephew
(3) Brother
(4) Uncle
2. How is E related to F ?
(1) Sister
(2) Daughter
(3) Niece
(4) Wife
3. How many nephews does F have ?
(1) 0
(2) 1
(3) 2
(4) 3
4. How is B related to F ?
(1) (Brother / Sister)
(2) Husband
(3) Father
(4) Cousin