यदि (y=150+ax) में (x=7) से (x=15) तक (y) (104) बढ़ता है, तो (a) क्या है?
If in (y=150+ax), (y) increases by (104) from (x=7) to (x=15), what is (a)?
Explanation opens after your attempt
C. (13)
Concept
The change in (x) is (8). From (8a=104), (a=13).
Why this answer is correct
The correct answer is C. (13). The change in (x) is (8). From (8a=104), (a=13).
Exam Tip
(x) में परिवर्तन (8) है। (8a=104) से (a=13) मिलता है।
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