Two quantities I and II are given in the following questions. You have to find the values of both I and II by using your knowledge of mathematics and choose the most suitable relation between quantity I and II from the given options.

Quantity I: The passing marks in an exam is 40% of maximum marks, Garima got 190 marks and passed the exam by 30 marks. If Uday is declared failed by 40 marks then find the percentage of maximum marks scored by him.

Quantity II: A seller gets ‘buy 1 get 1 free’ as an offer on an item from the company, but he offers his customer ‘buy 2 get 1 free’ on the same item. What will be the profit percent earned by the seller?