यदि (G(t)=220-rt) और (G(4)=G(13)+99), तो (r) क्या है?
If (G(t)=220-rt) and (G(4)=G(13)+99), what is (r)?
Explanation opens after your attempt
C. (11)
Concept
(G(4)-G(13)=9r). From (9r=99), (r=11).
Why this answer is correct
The correct answer is C. (11). (G(4)-G(13)=9r). From (9r=99), (r=11).
Exam Tip
(G(4)-G(13)=9r) है। (9r=99) से (r=11) मिलता है।
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