यदि (F(t)=20+rt) और (F(2)=F(5)-18), तो (r) क्या है?
If (F(t)=20+rt) and (F(2)=F(5)-18), what is (r)?
Explanation opens after your attempt
C. (6)
Concept
(F(5)-F(2)=3r). From (3r=18), (r=6).
Why this answer is correct
The correct answer is C. (6). (F(5)-F(2)=3r). From (3r=18), (r=6).
Exam Tip
(F(5)-F(2)=3r) है। (3r=18) से (r=6) मिलता है।
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