Array Chapter 5 Math 10th Class MCQ Test Preparation Punjab

Total Questions: 15

Total Marks: 15

Time: 15 Mins

Question # 1

For union Associative Law is _____.

A ∪ ( B ∪ C ) = ( A ∪ B ) ∪ C
A ∪ ( B ∪ B ) = ( B ∪ B ) ∪ C
A ∪ ( B ∪ C ) = ( B ∪ B ) ∪ C
B ∪ ( B ∪ C ) = ( A ∪ B ) ∪ C
None of these

Question # 2

See the image and find the set of range.

Question # 3

In a group of 18 students 18 read biology, 19 read chemistry and 16 read physics. Six read biology only, 9 read chemistry only, 5 read biology and chemistry only and 2 read chemistry and physics only . How many read biology and physics only?

Question # 5

Let A = { 2 , 3 , 4 , 5 , 6 , 7 } , B = { 2 , 4 , 7 , 8 } , C = { 2 , 4 } , then ( A ∪ B ) ∪ C = _____.

{ 1 , 2 , 3 , 4 , 5 , 6 }
{ 2 , 3 , 4 , 5 , 6 , 7 , 8 }
{ 1 , 5 , 7 , 4 , 8 , 3 , 6 }
{ 1 , 2 , 6 , 7 , 8 , 9 , 11 , 12 , 15 , 17 }
{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 17 }

Question # 6

The function from set A to set B is _____. (see the image)

Question # 9

State whether the given statement is true or false. Onto function are known as injection.

TRUE
FALSE

Question # 10

If universal set U= { 1 , 2 , 3 , … . , 13 } , A = { 1 , 2 , 3 , 4 } , B = { x | x is an even natural number less than 10 } and C = { 1 , 2 , 5 , 7 } , then [ A ∩ ( B ∩ C ) ] c = ?

{ 9 , 10 , 11 , 12 , 13 }
{ 6 }
{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 10 , 12 , 14 }
{ 1 , 2 , 3 , 4 , 5 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 }
{ 1 , 3 , 4 , … . , 13 }

Question # 11

What is the domain of the function, g ( x ) = l n ( x − 4 )?

Question # 12

If A × B = { ( 4 , − 5 ) , ( 7 , − 5 ) , ( 11 , − 5 ) , ( 4 , 3 ) , ( 7 , 3 ) , ( 11 , 3 ) } , then Which of the following is not a binary relation of A × B?

{ ( 4 , − 5 ) , ( 11 , − 5 ) , ( 7 , 3 ) , ( 11 , 3 ) }
{ ( 7 , − 1 ) , ( 11 , − 5 ) , ( 4 , 3 ) }
{ ( 4 , − 5 ) , ( 7 , − 5 ) , ( 11 , − 5 ) , ( 4 , 3 ) , ( 7 , 3 ) , ( 11 , 3 ) }
{ ( 4 , − 5 ) , ( 7 , − 5 ) , ( 11 , − 5 ) }
{ ( 4 , − 5 ) , ( 7 , − 5 ) , ( 11 , − 5 ) , ( 11 , 3 ) }

Question # 13

Which of the following functions is NOT injective (one-to-one)?