Which statement is correct for E={m,n,o,p,q}?
Answer and explanation
Correct answer: q∈E
The governing concept is set membership and cardinality. The roster explicitly lists five distinct elements: m,n,o,p,q. Therefore q is a member, written q∈E, so option B is correct. The cardinality is n(E)=5, not 4; r is absent and hence r∉E; and m is present, so m∉E is false. Each alternative conflicts with the displayed roster.
Frequently asked questions
What is the correct answer to this question?
q∈E
Why is this the correct answer?
The governing concept is set membership and cardinality. The roster explicitly lists five distinct elements: m,n,o,p,q. Therefore q is a member, written q∈E, so option B is correct. The cardinality is n(E)=5, not 4; r is absent and hence r∉E; and m is present, so m∉E is false. Each alternative conflicts with the displayed roster.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
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