Step-by-step explanation:

Age of Nysa = 10 yrs 5 months

Age of Ananya = 11 yrs 2 months

Therefore Anyanya is elder. by

11 2/6 - 10 5/12

68/6 - 125/12

(68×2 - 125)/12 =176 - 125/12 =51/12 years = 4.25 months