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प्रश्न
If A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, D = {a, e}, then is the following statement true or false?
D ⊆ B
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उत्तर
The statement is false.
Explanation:
We have, A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, D = {a, e}
Since, a ∈ D but a ∉ B
So, D ⊆ B is false.
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