Basic of sets

set is a collection of (a)   and distinct objects.

sets are expressed in ______ forms.

• 1

• 2

• 3

• 4

 $\in$ 

this symbol is read in maths as (a)  

 $\le$  
this symbol is read as _______

• greater than

• less than 

• less than or equal to

• greater than or equal to

identify this set form

A = {1,2,3,4,5,6}

• set builder form

• discriptive form

• tabular form

• nine of these

A set of first five odd numbers can be written as

• A = {1,2,3,5,7}

• A = {0,3,5,7,9}

• A = {1,3,5,7,9}

• A = {1,3,6,7,9}

/

this symbol is read in maths as

• belongs to

• such that

• slash

• none of these

prime numbers have _____________ two factors 1 and itself.

• more than

• only have

• less than

1.6666........ is an example of (a)   number.

 $\sqrt{49}$  is an irrational number.

• true

• false

• may be