If A ={1,2,3,4}, State which of the following statement are true :
`2 in {1,2,3,4}`

If A ={1,2,3,4}, State which of the following statement are true : 2 in A

If A ={1,2,3,4}, State which of the following statement are true : {2,3,4}sub{1,2,3,4}

If A ={1,2,3,4}, State which of the following statement are true : 2sub{1,2,3,4}

If A={1,2,{3,4),{5}}, then test which of the following are true:

If X={1,2,3,4} then which of the following is a correct statement ?

If A={1,2,(3,4),5}, then which of the following statements is incorrect?

Let A = {1, {2, 3}, 4} . Then, which of the following statements is true ? (i) {2,3} in A (ii) {2,3} subset A Rectify the wrong statement.