यदि (y=190-7.5x), तो (x=3) से (x=11) तक (y) में कुल कमी कितनी होगी?
If (y=190-7.5x), what is the total decrease in (y) from (x=3) to (x=11)?
Explanation opens after your attempt
C. (60)
Concept
The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).
Why this answer is correct
The correct answer is C. (60). The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).
Exam Tip
(x) में परिवर्तन (11-3=8) है। कुल कमी \(7.5\times8=60\) है।
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