माना `A= {{1,2,3}, {4,5},{6,7,8}}` गणना कीजिय की कथन सत्य है या असत्य
`{{ 4,5}} sub A`

Let A={{1,2,3},{4,5},{6,7,8}} Determine which of the following is true or false: {{4,5}}sub A varphi A varphi sub A

If X={1,2,3,{4,5},6,{7,8,9,10} then {4,5} sub X

Let A= {{1,2,3},{4,5} , {6,7,8,9}} . (i) {1,2,3} subA (ii) {{4,5}} subA .

Let A = {{1, 2, 3}, {4, 5}, {6, 7, 8}}. Determine whether the following is true or false : {{4, 5}} sub A .

If A={1,2,3,4,5,6,7,8} and B={1,3,4,6,7,8,9} then