कौन-सा विकल्प अपरिमेय संख्या नहीं है?
Which option is not an irrational number?
Explanation opens after your attempt
C. \(\sqrt{225}-8\)
Concept
\(\sqrt{225}=15\).
Why this answer is correct
\(\sqrt{225}-8=7\), which is rational.
Exam Tip
When asked for not irrational, carefully check perfect-square options. चरण 1: \(\sqrt{225}=15\) है। चरण 2: \(\sqrt{225}-8=7\), जो परिमेय संख्या है। चरण 3: अपरिमेय नहीं पूछे जाने पर पूर्ण वर्ग वाले विकल्प ध्यान से देखें।
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