In a survey, one-third of the number of children like only mango and 22 do not like mango at all. Also, two-fifth of the number of children like orange but 12 like none of them. (i) Draw a Venn-diagram to show the above information. (ii) Find the total number of children in the survey. (iii) Find the number of children who like only one fruit. (iv) By how many more or less is the number of children who do not like orange at all than the number of children who do not like mango at all.​