In a survey of 290 newspaper readers,181 of them read the daily times,142 read the guardian,117 read punch, and each read at least 1 of the 3 papers. If 75 read the daily times and the guardian,60 read the daily times and punch, and 54 read the guardian and punch:1-draw a Venn diagram to illustrate this information.2-how many readers read:a-all three papers. b-exactly two of the papers. c-exactly one of the papers. d-the guardian alone ​