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

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

If A={1,2,3,4,5} then which of the following is not true?

If A={2,3,4,5,6} , Then which of the following is not true ?

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 : 2sub{1,2,3,4}

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

Let A={1,2,{1},{1,2},3,4}, then which of the following is true?

If A={1,3,5,7,9} , then write which of the following statements are true and which are false : {1,5} in A