In a survey of a group of people, it was found that \(60\%\) of the people liked apple, \(70\%\) liked orange and \(400\) people liked both of them. If \(10\%\) people liked non of them, then

(i) Represent the above information in a Venn-diagram

(ii) Find the total number of people in the survey

(iii) Find the number of people who like apple only.