1.
If A = {1, 2, 3} and R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1), (2, 3), (3, 2)}, then R is:
3.
Which of the following is a null set?
4.
If U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, P = {1, 2, 5, 6}, Q = {6, 7}. Then P ∩ Q' is:
5.
If A = {x: x is a positive prime less than 10}, the tabular form is:
6.
Which of the following two sets are equal?
7.
If A = {1, 2, 3, 4}, B = {2, 4, 6, 8} and C = {3, 4, 5, 6} then A - (B ∪ C) is:
8.
A town has a population of 50,000. 28,000 read Newspaper X, 23,000 read Newspaper Y, and 4,000 read both. How many read neither X nor Y?
9.
In a survey of 100 students, 60 liked Mathematics, 50 liked Physics, and 30 liked both. How many liked Mathematics or Physics?
10.
Let R be a relation on N defined by x + 2y = 8. The domain of R is:
11.
If A and B are two sets such that A is not a subset of B, then:
12.
For two finite sets A and B with n elements each, the number of elements in the power set of A is:
13.
The set of all possible subsets of a set A is called its:
14.
If n(A) = 20, n(B) = 15, and n(A ∩ B) = 5, then n(A ∪ B) is:
15.
On the set of lines, the relation 'is perpendicular to' is:
16.
If A = {x: x is a multiple of 3} and B = {x: x is a multiple of 5}, then A - B is:
17.
How many elements are there in the complement of a universal set?
18.
Which of the following is a set of well-defined objects?
19.
The set of all prime numbers is:
20.
If A = {1, 2, 3}, what is the cardinality of its power set?
21.
In a class of 40 students, 30 passed in English, 25 passed in Maths, and 15 passed in both. How many students passed in English only?
