यदि (y=160-6.25x), तो (x=5) से (x=13) तक (y) में कुल कमी कितनी होगी?
If (y=160-6.25x), what is the total decrease in (y) from (x=5) to (x=13)?
Explanation opens after your attempt
B. (50)
Concept
The change in (x) is (13-5=8). The total decrease is \(6.25\times8=50\).
Why this answer is correct
The correct answer is B. (50). The change in (x) is (13-5=8). The total decrease is \(6.25\times8=50\).
Exam Tip
(x) में परिवर्तन (13-5=8) है। कुल कमी \(6.25\times8=50\) है।
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