Question

plz solve it quick
In a survey of a group of people , showed that 70 liked coke or fanta, 10 liked sprite only, 10 didn't like all the three. How many people were asked this question?(Set)

Answer 1

70 people were asked in this question.

70 people liked coke and fanta and sprite means in 70 people those who are there like all the 3 things or any one of 3 the things or nothing. Out of that take out 20 so 50 people are left. That is 50 people like both the things.