Read the given information and answer the question asked by choosing the most appropriate option. In a class, 47 students like Oswald, 44 students like Dexter and 47 students like Ben Ten. Also, 29 students like both Oswald and Dexter, 23 students like both Dexter and Ben Ten, 21 students like both Ben Ten and Oswald and 15 students like all the three. How many students like only Ben Ten?
Read the given information and answer the question asked by choosing the most appropriate option. In a class, 47 students like Oswald, 44 students like Dexter and 47 students like Ben Ten. Also, 29 students like both Oswald and Dexter, 23 students like both Dexter and Ben Ten, 21 students like both Ben Ten and Oswald and 15 students like all the three. How many students like only Ben Ten? Correct Answer 18
Number of students who like Oswald = 47
Number of students who like Dexter = 44
Number of students who like Ben Ten = 47
Number of students who like both Oswald and Dexter = 29
Number of students who like both Dexter and Ben Ten = 23
Number of students who like both Ben Ten and Oswald = 21
Number of students who likes all the three = 15
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Number of students who like only Ben Ten = 47 – 6 – 15 – 8 = 18
Hence, 18 is the correct answer.
