Ankur’s brother's age 6 years from now = 32 + 6 = 38 years Ratio of Ankur’s sister and his brother after 6 years = 3 : 2 ⇒ Ankur’s sister's age 6 years from now =
3
2
×38=57 years ⇒ Ankur’s sister's present age = 57 - 6 = 51 years Ratio of Ankur and his sister's present age = 4 : 3 => Ankur’s present age =
4
3
×51=68 years ∴ Ankur’s age 3 years from now = 68 + 3 = 71 years