यदि रेखा (y=-(p+4)x+20) (x) के (5) बढ़ने पर (y) (55) घटाती है, तो (p) क्या है?

If the line (y=-(p+4)x+20) decreases (y) by (55) when (x) increases by (5), what is (p)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (7)

Step 1

Concept

The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).

Step 2

Why this answer is correct

The correct answer is C. (7). The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).

Step 3

Exam Tip

ढाल (-(p+4)) है और कमी (5(p+4)=55) होगी। इसलिए (p+4=11) और (p=7) है।

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Mathematics Answer, Explanation and Revision Hints

यदि रेखा (y=-(p+4)x+20) (x) के (5) बढ़ने पर (y) (55) घटाती है, तो (p) क्या है? / If the line (y=-(p+4)x+20) decreases (y) by (55) when (x) increases by (5), what is (p)?

Correct Answer: C. (7). Explanation: ढाल (-(p+4)) है और कमी (5(p+4)=55) होगी। इसलिए (p+4=11) और (p=7) है। / The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).

Which concept should I revise for this Mathematics MCQ?

The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).

What exam hint can help solve this Mathematics question?

ढाल (-(p+4)) है और कमी (5(p+4)=55) होगी। इसलिए (p+4=11) और (p=7) है।