Question 1 :
Let $A =$ {$\phi$ , {$\phi$},$1$, {$1$,$\phi$ },$7$}. Which of the following is true?<br/><br/>
Question 2 :
$25$ people for applied for programme $A$, $50$ people for programme $B$, $10$ people for both. So number of employee applied only for $A$ is
Question 3 :
State the whether given statement is true or falseIf $A$ is any set, prove that: $A\subseteq \phi \Leftrightarrow A=\phi $.
Question 4 :
The method of representation used in the set $A = \{\text{x I x is an even natural number less than 15}\}$ is called
Question 5 :
Classify the following set as 'singleton' or 'empty':  $B = \{y | y$ is an odd prime number $< 4\}$
Question 6 :
Find the set of values of x for which it satisfies $- 2 \le \left[ x \right] \le 4.$ (where $\left[  \ \  \right]$ denotes the greatest integer function )
Question 8 :
Classify the following set as 'singleton' or 'empty': $A = \{ x | x$ is a negative natural number$\}$
Question 9 :
From among the given alternatives select the one in which the set of numbers is most like the set of numbers given in the question.<br>Given set $:$ $(7, 15, 31)$<br>
Question 10 :
State whether the following statements are true(T) or false(F).Justify your answer.<br>A group of boys playing cricket is a set.
Question 12 :
Classify the following set as 'singleton' or 'empty':  $D = \{d | d \in N, d^2 \le 0\}$
Question 14 :
Let $A$ $=$ set of all cuboids and B $=$ set of all cubes. Which of the following is true?
Question 15 :
Two finite sets have m and n elements. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. Find the values of m and n.
Question 17 :
$\{\text{months of a year whose names begin with the letter F}\}$ is
Question 19 :
If $A=\left\{ 2,4\left\{ 5,6 \right\} ,8 \right\} $, then which one of the following statements is not correct?
Question 20 :
State whether the following statement is true or false.<br>$1\in \{1, 2, 3\}$.<br>