कौन सा विकल्प वास्तविक संख्या है?
Which option is a real number?
Explanation opens after your attempt
Correct Answer
C. \(\sqrt{49}\)
Concept
\(\sqrt{49}=7\) is real. Square roots of negatives are not real.
Why this answer is correct
The correct answer is C. \(\sqrt{49}\). \(\sqrt{49}=7\) is real. Square roots of negatives are not real.
Exam Tip
\(\sqrt{49}=7\) वास्तविक संख्या है। ऋणात्मक के वर्गमूल वास्तविक नहीं हैं।
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