MSMA_107_ (Surprise Quiz_1)
Quiz by Payal
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- Q1
Given set A ={1, 2, 3} and a relation R = {(1, 2), (2, 1),(2,2)}, the relation R will be
transitive if (1, 1) is added
symmetric if (2, 3) is added
reflexive if (1, 1) is added
symmetric if (3, 2) is added
20s - Q2
Let A and B have 3 and 6 elements respectively. The minimum number of elements in A ∪ B
Insufficient Data
5
3
6
15s - Q3
Let A, B be two sets. Then, the complement of U, Universal set is
Universal set
A∪ B
A∩B
∅
15s - Q4
In a science talent examination, 50% of the candidates fail in Mathematics and 50% fail in Physics. If 20% fail in both these subjects, then the percentage that pass in both subjects is
20%
25%
0%
50%
20s - Q5
A group of honest people in India is a
Finite Set
Not a set
Empty set
Infinite set
15s - Q6
If X is a set and the set contains an integer which is neither positive nor negative then the set X is
Finite set
Empty set
Not a set
Infinite set
15s - Q7
How many elements in the Power set of set A= {{Φ}, {Φ, {Φ}}}
2
4
8
6
15s - Q8
The number of binary relation on a set with n elements is
2n
n2
2n*n
None of these
15s - Q9
What is the possible number of reflexive relations on a set of 5 elements?
2 5
210
215
220
20s