Question

A survey was conducted to know the hobby of 180 students. Out of which 90 students informed about their hobby as Book reading & 75 students informed about their hobby as Sketching. There are 55 students who follow both hobbies. Then how many students do not follow any of the two hobbies? How many of them follow Book reading only? How many of them follow Sketching only?​

Answer 1

Answer:

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