The marks obtained by a student in two unit tests were 65 and 70.Find the minimum marks he should score in the third test to have an average at least 65 marks.

In a class test,the sum of Shefail marks in Mathematics and English is 30.Had she got 2 marks more in Mathematics and 3 marks less in English ,the product of their mark would have been 210.Find her marks in the two subjects.