Question Text
Question 2 :
The method of representation used in the set $A = \{\text{x I x is an even natural number less than 15}\}$ is called
Question 3 :
State whether the following statement is true or false.<br>$1\in \{1, 2, 3\}$.<br>
Question 4 :
A=B for which of the following statements?<br>$(i)A=\{2,4,6,8,10\};$ <br> $B=\{x:x$ is a positive even integer and $x\le10\}$<br>$(ii)A=\{x:x$ is a multiple of $10\};$ <br> $B=\{10,15,20,25,30,.....\}$
Question 5 :
Which one of the following is an example of non-empty set?
Question 6 :
State the whether given statement is true or falseIf $A$ is any set, prove that: $A\subseteq \phi \Leftrightarrow A=\phi $.
Question 7 :
The set B= {a|a is a negative integer and a-1=0} is a
Question 8 :
The number of elements of the set $\left \{ x:x\in Z,x^{2}=1 \right \}$ is :
Question 9 :
State whether the following statements are true(T) or false(F).Justify your answer.<br>A group of boys playing cricket is a set.
