A survey was conducted among a group of students and it was revealed that each of the students liked at least one of the following three fruits: apples, oranges, and watermelon 34 liked apples 30 liked oranges 33 liked watermelon 11 liked apples and oranges 15 liked oranges and watermelon 17 liked apple and watermelon 10 liked all three fruitsHow many students took part in the survey?