Question

In a class of 32 students, 17 study Music and
20 study Art. What is the LEAST number of
students who study BOTH Music and Art?

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Answer 1

Answer:

5

Step-by-step explanation:

Answer 2

Answer:

5

Step-by-step explanation:

Let A be the event that student study music and B be the event that students study art.

n(AUB) = n(A)+ n(B) - n(AB)

32 = 17 + 20 - n(AB)

=> n(AB) = 17 + 20 - 32 = 5

So, the least number of students studying both art and music would be 5.