यदि (G(t)=180-rt) और (G(4)=G(12)+72), तो (r) क्या है?
If (G(t)=180-rt) and (G(4)=G(12)+72), what is (r)?
Explanation opens after your attempt
C. (9)
Concept
(G(4)-G(12)=8r). From (8r=72), (r=9).
Why this answer is correct
The correct answer is C. (9). (G(4)-G(12)=8r). From (8r=72), (r=9).
Exam Tip
(G(4)-G(12)=8r) है। (8r=72) से (r=9) मिलता है।
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