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Published on: 23/08/2019
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Questions + Answers key
Take MCQ Mathematics Test
1.
If A = {x : x is a multiple of 3} and B = {x : x is a multiple of 5} then A - B is _____.
\(A\cap B\)
\(A-\bar B\)
\(\bar A\cap\bar B\)
\(\overline {A\cap B}\)
2.
Let A = {x : x ∈ R, x ≥ 4}and B = {x : x ∈ R,x < 5}then A \(\cap\) B is _____.
{4}
{4,5}
{5,5}
{5,4}
3.
If A = {1, 2, 3, 4, 5, 6}then the number of proper sub-sets is _____.
64
36
26
63
4.
Let U be the universal set containing 700 elements. If A and B are sub-sets of U such that n(A) = 200, n(B) = 300 and n(A \(\cap\) B) = 100, then n(A' \(\cap\) B') =___.
400
500
300
800
5.
If A and B are two sets then A \(\cap\) (A \(\cap\) B') =_______.
A
B
A'\(\cap\)B'
ф
6.
For any two sets A and B, A \(\cup\) B = A iff _____.
A ⊂ B
B∈A
A=B
A\(\ne\)B
7.
For any two sets A and B, (A - B) \(\cup\) (B - A)=_____.
(A - B) \(\cup\) A
(B - A) \(\cup\) B
(A \(\cup\) B) - (A \(\cap\) B)
(A \(\cup\) B) \(\cap\) (A \(\cap\) B)
8.
If \(A\cap B=B\) then _____.
B⊂A
A=ф
A⊂B
B=ф
9.
For any two sets A and B, \(A\cap(A\cup B)=\)_____.
B
A
ф
none of these
10.
The number of subsets of a set containing n elements is _____.
2n - 2
n2
2n
n
1.
(b)
\(A-\bar B\)
2.
(a)
{4}
3.
(d)
63
4.
(c)
300
5.
(c)
A'\(\cap\)B'
6.
(b)
B∈A
7.
(c)
(A \(\cup\) B) - (A \(\cap\) B)
8.
(a)
B⊂A
9.
(b)
A
10.
(c)
2n
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