यदि (y=360-bx) में (x=7) से (x=15) तक (y) (136) घटता है, तो (b) क्या है?
If in (y=360-bx), (y) decreases by (136) from (x=7) to (x=15), what is (b)?
Explanation opens after your attempt
C. (17)
Concept
The change in (x) is (8). The total decrease is (8b=136), so (b=17).
Why this answer is correct
The correct answer is C. (17). The change in (x) is (8). The total decrease is (8b=136), so (b=17).
Exam Tip
(x) में परिवर्तन (8) है। कुल कमी (8b=136) है इसलिए (b=17) है।
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