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)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (60)

Step 1

Concept

The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).

Step 2

Why this answer is correct

The correct answer is C. (60). The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).

Step 3

Exam Tip

(x) में परिवर्तन (11-3=8) है। कुल कमी \(7.5\times8=60\) है।

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Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: C. (60). Explanation: (x) में परिवर्तन (11-3=8) है। कुल कमी \(7.5\times8=60\) है। / The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).

Which concept should I revise for this Mathematics MCQ?

The change in (x) is (11-3=8). The total decrease is \(7.5\times8=60\).

What exam hint can help solve this Mathematics question?

(x) में परिवर्तन (11-3=8) है। कुल कमी \(7.5\times8=60\) है।