यदि रेखा (y=(k-5)x+4) (x) के (8) बढ़ने पर (y) (72) बढ़ाती है, तो (k) क्या है?

If the line (y=(k-5)x+4) increases (y) by (72) when (x) increases by (8), what is (k)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (14)

Step 1

Concept

The slope is (k-5) and (8(k-5)=72). Therefore (k-5=9) and (k=14).

Step 2

Why this answer is correct

The correct answer is D. (14). The slope is (k-5) and (8(k-5)=72). Therefore (k-5=9) and (k=14).

Step 3

Exam Tip

ढाल (k-5) है और (8(k-5)=72)। इसलिए (k-5=9) और (k=14) है।

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Mathematics Answer, Explanation and Revision Hints

यदि रेखा (y=(k-5)x+4) (x) के (8) बढ़ने पर (y) (72) बढ़ाती है, तो (k) क्या है? / If the line (y=(k-5)x+4) increases (y) by (72) when (x) increases by (8), what is (k)?

Correct Answer: D. (14). Explanation: ढाल (k-5) है और (8(k-5)=72)। इसलिए (k-5=9) और (k=14) है। / The slope is (k-5) and (8(k-5)=72). Therefore (k-5=9) and (k=14).

Which concept should I revise for this Mathematics MCQ?

The slope is (k-5) and (8(k-5)=72). Therefore (k-5=9) and (k=14).

What exam hint can help solve this Mathematics question?

ढाल (k-5) है और (8(k-5)=72)। इसलिए (k-5=9) और (k=14) है।