Instructions

A Survey is conducted in 400 persons with regard to the readership of three national dailies E, D and T revealed the following information:

170 read E, 170 read D, 190 read T, 50 read E and D, 70 read D and T, 60 read E and T, 30 Read none and20 read all the three papers
Draw a Venndiagram for this data and answer the following questions

Question 55

How many read only E?


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