Question 1
A family consists of eight members: Jeffrey, Yamini, Tanya, Lokesh, Andrew, Robert, Mary, Naresh. Here are the relationships: Jeffrey and Yamini are married. Their children are Tanya and Lokesh. Andrew is married to Tanya. Robert is the son of Tanya and Andrew. Mary is the sister of Jeffrey. Naresh is the father of Jeffrey and Mary.
How many grandchildren does Naresh have?
Naresh is father of Jeffrey, so grandchildren are children of Jeffrey = Tanya and Lokesh = 2 grandchildren.