Short Quiz

Question 1 of 5

The set builder form of \(\{2,4,8,16,32\}\) is:

A \(\{x: x=2 n, n \in N\}\) B \(\left\{x: x=2^n, n \in N, 1 \leq n \leq 5\right\}\) C \(\left\{x: x=n^2, n \in N\right\}\) D \(\{x: x=n+2, n \in N\}\)

Select one option. Answers are shown after the test.

Question 2 of 5

If \(A \subset B\), then \(A \cup B\) is equal to:

A A B B C \(\phi\) D \(\cup\)

Select one option. Answers are shown after the test.

Question 3 of 5

Let \(U=R\) (Real numbers). If \(A=(-5,5)\) and \(B=[0,10]\), what is \(A \cap B\) ?

A \((0,5)\) B \([0,5)\) C \([0,5]\) D \((-5,10]\)

Select one option. Answers are shown after the test.

Question 4 of 5

Assertion (A): The collection of all boys in a class is a set.
Reason (R): A set is a well-defined collection of objects.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 5 of 5

Which of the following is an empty set?

A Set of even prime numbers B \(\left\{x: x^2=4, x\right.\) is odd \(\}\) C Set of prime numbers less than 5 D \(\{0\}\)

Select one option. Answers are shown after the test.

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