कौन-सी संख्या वास्तविक है लेकिन परिमेय नहीं है?
Which number is real but not rational?
Explanation opens after your attempt
Correct Answer
A. \( \sqrt{20} \)
Concept
\( \sqrt{20} \) is irrational and all irrational numbers are real. Real but not rational means irrational.
Why this answer is correct
The correct answer is A. \( \sqrt{20} \). \( \sqrt{20} \) is irrational and all irrational numbers are real. Real but not rational means irrational.
Exam Tip
\( \sqrt{20} \) अपरिमेय है और सभी अपरिमेय संख्याएं वास्तविक होती हैं। वास्तविक लेकिन परिमेय नहीं होने का अर्थ अपरिमेय है।
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