Question

{20} ...... {20, 30, 40},Fill in the blank using given symbol ∈ , ∉, ⊂, ⊄, &, - or =

Answer 1

Answer :

Here, the set = { 20, 30, 40 }

Given also, { 20 } is a set and the element 20 belongs to the above set also.

Hence, { 20 } is a subset of { 20, 30, 40 }

i.e., { 20 } ⊂ { 20, 30, 40 }

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