Question

In a random survey 250 people participated. Out of 250 people who took part in the survey. 40 people
have listened to Pink Floyd. 30 people have listened to metallica and 20 people have listened to John
Denver. If 10 people have listened to all three then find the no. of people who have listened only Pink
Floyd?​

Answer 1

Answer:

40 - 10 = 30

so the people who have listened to only pink Floyd is 30