Which of the following sets are empty sets? Justify your answer
A=`{x:x^2=4 and 3x=9}`

Which of the following sets are empty sets? Justify your answer. A = {x : x^(2) = 4 ""and"" 3 x = 9}.

Which of the following is an empty set

Which of the following sets are empty sets? Justify your answer The sets of all traingles in a plane having the sum of their three angles less than 180.

Which of the following are empty sets? Justify your answer. Set of natural numbers that are smaller than 1.

Which of the following are empty sets? Justify your answer. Set of natural numbers that are smaller than 1.

Which of the following are empty sets? Justify your answer. Set of integers which lie between 2 and 3.

Which of the following are empty sets? Justify your answer. Set of integers which lie between 2 and 3.

Which of the following are empty sets? Justify your answer. Set of odd numbers that leave remainder zero, when divided by 2.

Which of the following are empty sets? Justify your answer. Set of odd numbers that leave remainder zero, when divided by2.

State whether each of the following statement is true or false. Justify your answers. {2,3,4,5} and {3,6} and disjoint sets.