Start learning →

The even natural numbers and the natural numbers have

Ahalf the cardinality
Bdifferent cardinalities
Cno cardinality at all
Dthe same cardinality
Answer & Solution
Correct answer: D. the same cardinality
Multiplying by two pairs every natural number with exactly one even number, so the sizes match.
Practise this question with Quill — CA Foundation →

Keep practising Sets, Relations and Functions

Browse all Sets, Relations and Functions questions for CA Foundation, or explore more Quantitative Aptitude topics.

Start a Sets, Relations and Functions lesson →
Related questions