Question 1
Rohit and Harper are siblings. Rohit has 4 child/ren: Zara, Lucas, Arjun, Elijah; Harper has 4 child/ren: Mason, Pierre, Mia, Dev. How many cross-cousins does Arjun have? (Cross-cousins are children of mother's brother or father's sister)
Arjun is child of Rohit (father's side), so cross-cousins are children of his father's sister Harper: 4 cousins.