AILET 2019 BA LLB Question Paper with answer key for online practice

Pihu and Aayan are the children of Mrs. & Mr. Sharma. Riya and Shankar are the children of Mrs. & Mr. Kumar. Aayan and Riya are married to each other and have two daughter Mona and Shona. Shankar is married to Leena and they have two children Rohit and Ruchi. How is Pihu related to Shona ?