Sets Test - 1...

In a society of 1250 families, 500 read news paper X, 300 read newspaper Y and 150 read both the newspapers. What is the number of families that read neither of the newspapers?

Two finite sets A and B have x and y elements respectively. The number of elements in the power set of A is 120 more than the number of elements in the power set of B. What are the values of x and y respectively?

Use the following information to answer the next question.

Three sets, A, B, and C, are defined as

A = {x: x = 5n, n ∈ N and n < 6}

B = {y: y = 3n + 1, n ∈ N, and n ≤ 8}

C = (z: z = 6n − 2, n ∈ N, and n ≤ 4}

Which set is equal to the set A − (B ∩ C)?

Which of the following is not a set?

Use the following information to answer the next question.

In a survey of 500 students in a school, 260 students preferred to watch comedy movie, 280 students preferred to watch action movie, and 20 students preferred to watch neither comedy nor action movie.

How many students preferred to watch both the types of movies?

If A ∪ B = C, A ∩ B = Φ and B ⊂ A then which of the following is true?