यदि (g(x)=240-12x), तो (g(x)-g(4x)) कब (144) होगा?
If (g(x)=240-12x), when will (g(x)-g(4x)) be (144)?
Explanation opens after your attempt
B. (x=4)
Concept
(g(x)-g(4x)=(240-12x)-(240-48x)=36x). From (36x=144), (x=4).
Why this answer is correct
The correct answer is B. (x=4). (g(x)-g(4x)=(240-12x)-(240-48x)=36x). From (36x=144), (x=4).
Exam Tip
(g(x)-g(4x)=(240-12x)-(240-48x)=36x) है। (36x=144) से (x=4) है।
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