CMAT Exam 2023 Shift 2 Solved Paper

Given below are two statements :
Statement I: The ratio of the son's age to the father's age is $1:5$. The product of their ages is 245 . The ratio of the son's age to the father's age after 9 years will be $3:5$.
Statement II: A milkman adds 30 litres of water to 70 litres of milk. After selling $1∕5$ th of the total quantity, he adds water equal to the quantity he sold. The proportion of water to milk he sells now would be $28:72$. In the light of the above statements, choose the correct answer from the options given below.