यदि (y=180+ax) में (x=8) से (x=16) तक (y) (120) बढ़ता है, तो (a) क्या है?
If in (y=180+ax), (y) increases by (120) from (x=8) to (x=16), what is (a)?
Explanation opens after your attempt
C. (15)
Concept
The change in (x) is (8). From (8a=120), (a=15).
Why this answer is correct
The correct answer is C. (15). The change in (x) is (8). From (8a=120), (a=15).
Exam Tip
(x) में परिवर्तन (8) है। (8a=120) से (a=15) मिलता है।
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