For a set `{1, 2, {1, 2, 3}}`. Which of the following statement is false?

Given the set of data 1,1,2,2,2,3,3,4, which one of the following statements is true?

Consider the set M = {1,2,3} along with the relation R = {(1,2), (1,1), (2,2),(3,1), (3,2),(3,3),(2,3)}. Which of the following statements is true?

The two electrons have the following set of quantum numbers: P=3,2,-2,+1/2 Q=3,0,0,=1/2 Which of the following statement is true?

The variance of numbers x_(1),x_(2),x_(3),…..x_(n) is V. Consider the following statements: If every x_(1) is increased by 2, the variance of the new set of the new set of numbers is V. 2 If the numbers x_(i) is squared, the variance of the new set is V^(2) . Which of the following statements is/are correct?

Let A={1,2,{3,4},s,d,theta} , which of the following statements are true/false and why? 1 subsetA

Let A={1,2,{3,4},s,d,theta} , which of the following statements are true/false and why? {1,2,3} subsetA

Let A={1,2,{3,4},s,d,theta} , which of the following statements are true/false and why? 3 inA

Let A={1,2,{3,4},s,d,theta} , which of the following statements are true/false and why? emptyset inA