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Online Tests
Mathematics 10th Class English Medium Unit 5 Online Test MCQs With Answers
Question # 1
(A∪B)∪C is equal to
Choose an answer
A∩ (B∪C)
(A∪B)∩C
A∪(B∪C)
A∩ (B∩C)
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Question # 2
If A⊆ B and B⊆ a , then
Choose an answer
A = B
A≠ B
A∩ B =∅
A∪ B =∅
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Question # 3
A'=_____________
Choose an answer
{x|x
∈U^x
∉A
}
{x|x
∈U^x
∈
A
}
{x|x
∉
U^x
∈
A
}
{x|x
∉
U^x
∉
A
}
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Question # 4
y co-ordinate of every pint on x-axis is.
Choose an answer
+ve
-Ve
zero
1
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Question # 5
U' = ________________
Choose an answer
U
A
A'
φ
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Question # 6
A set having only one member.
Choose an answer
Empty set
Power set
Singleton set
Sub set
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Question # 7
A⊆ B then A-b = __________
Choose an answer
A
B
∅
B-A
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Question # 8
The domain of {(a,b),(b,c),(c,d)} is............
Choose an answer
{a,b,c}
{b,c,d}
{a,b}
{a,b,c,d}
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Question # 9
Which of the following is associative law of union?
Choose an answer
A∪ (B ∪ C) = (A∪ B)∪ C
A∩ (B∩C)= (A∩B)∩C
A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)
A∩(B∪ C) = (A∩B)∪(A∩C)
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Question # 10
If { x|x=p/q, q
≠0,p,q
∈Z
} then this is a _____________
Choose an answer
Set of even numbers
Set of rational number
Set of irraional numbers
Set of integers
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Question # 11
The measures that are used to determine the degree or extent of variation in a data set are called:
Choose an answer
central value
A.M
measures of dispersion
median
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Question # 12
If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________
Choose an answer
One - one function from A to B
A function A to A
Not a funtion
An onto function from A to B
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Question # 13
If two sets have some elements common but not all are called......... sets
Choose an answer
Sub
OVERLAPPING
Disjoint
Super
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Question # 14
The set {x} x∈ A and x∉ B } is.......................
Choose an answer
A∪ B
A∩ B
A - B
B - A
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Question # 15
If variance is equal to 36 then the standard deviation will be:
Choose an answer
36
6
-6
none of these
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