6. A survey carried out recently to find the number of applicants that applied for jobs in three newspaper establish ments, revealed that 70 applied to the Daily Times, 65 applied to the Daily Graphic, and 85 applied to The Punch. 40 applied to the Daily Times only, 20 applied to the Daily Graphic only, while 45 applied to The Punch only. If 15 applied to all the three newspaper establishments, find: (i) the number that applied to both the Daily Times and the Daily Graphic; (ii) the number that applied to the Daily Times and The Punch; (iii) the number that applied to both the Daily Graphic and The Punch; (iv) the number that applied to at least one newspaper establishment. As part
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