कौन-सा विकल्प स्थिरांक है?
Which option is a constant?
Explanation opens after your attempt
D. (11)
Concept
A constant does not change its value. (11) has no variable.
Why this answer is correct
The correct answer is D. (11). A constant does not change its value. (11) has no variable.
Exam Tip
स्थिरांक का मान बदलता नहीं है। (11) में कोई चर नहीं है।
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