Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Let A = {1, 2, {3, 4}, 5}. Which of the following is true?

A. {3, 4} A
B. {3, 4} A
C. {{3, 4}} A
D. {1, 2, 5} A
Answer» B. {3, 4} A
Discussion
2.

If X A and A B then X B.

A. True
B. False
Answer» C.
Discussion
3.

If an element x A and A B then x B.

A. True
B. False
Answer» B. False
Discussion
4.

Let A = {1, 3}, B = {1, 5, 9}, C = {1, 3, 5, 7, 9}. Then ___________

A. A B
B. B A
C. C B and A C
D. B C and A C
Answer» E.
Discussion
5.

Let X be set of rational numbers. Which of the following is not subset of X?

A. Set of real numbers
B. Set of natural numbers
C. Set of whole numbers
D. Set of integers
Answer» B. Set of natural numbers
Discussion
6.

Let X be set of rational numbers. Which of the following is superset of X?

A. Set of real numbers
B. Set of natural numbers
C. Set of whole numbers
D. Set of integers
Answer» B. Set of natural numbers
Discussion
7.

Let A= {2,3,5} and B= {3,5,7}. Which of the following is true?

A. A B
B. B A
C. A=B
D. A A
Answer» E.
Discussion
8.

Let X= {1,2,3}, Y= {}, Z= {1,2,3}, then which of the following is true?

A. X Y
B. Only Y X and Y Z
C. Z Y
D. Y X and Y Z and X Z
Answer» E.
Discussion
9.

If set A is equal to set B then ____________

A. A B
B. B A
C. A B and B A
D. neither A B nor B A
Answer» D. neither A B nor B A
Discussion
10.

If every element of set X is in set Y then_____________

A. X Y
B. Y X
C. X=Y
D. X Y
Answer» B. Y X
Discussion
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