Sets And Functions Chapter 5 Math 10th Class MCQ Test Preparation Punjab

Total Questions: 15

Total Marks: 15

Time: 15 Mins

Question # 1

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

Question # 2

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 # 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 # 4

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 # 5

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