R K Bansal Solutions for Chapter: Sets, Exercise 2: EXERCISE 6(B)

Write whether the given set is singleton set or not $:-$

A$=\{x:7x-3=11\}$

Are the sets A $=\{4,5,6\}$ and  B $\{x:x^2-5x+6=0\}$ disjoint?

Are the sets A $=\{b,c,d,e\}$ and B $\{x:x\}$ is a letter in the Word $‘MASTER’$joint ?

Answer, whether the following statements are true or false, give reasons.

The set of odd prime number is the empty set.

Answer, whether the following statements are true or False, give reasons.

The set of square of integers and the set of whole numbers are equal sets.

Answer, whether the following statements are true or false, give reasons.

If $n\left(P\right) = n\left(M\right), then P ⟷ M$

Answer, whether the following statements are true or false, give reasons.

$If set P = Set M, then n\left(P\right) = n\left(M\right)$

Answer, whether the following statements are true or false, give reasons.

$n\left(A\right)= n\left(B\right) then A = B$