यदि (p(x)=180-10x) और (q(x)=72+2x), तो (p(x)=q(x)) के लिए (x) क्या है?

If (p(x)=180-10x) and (q(x)=72+2x), what is (x) for (p(x)=q(x))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (x=9)

Step 1

Concept

From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.

Step 2

Why this answer is correct

The correct answer is C. (x=9). From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.

Step 3

Exam Tip

(180-10x=72+2x) से (108=12x) और (x=9) है। वृद्धि और क्षय मॉडल को बराबर करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=180-10x) और (q(x)=72+2x), तो (p(x)=q(x)) के लिए (x) क्या है? / If (p(x)=180-10x) and (q(x)=72+2x), what is (x) for (p(x)=q(x))?

Correct Answer: C. (x=9). Explanation: (180-10x=72+2x) से (108=12x) और (x=9) है। वृद्धि और क्षय मॉडल को बराबर करें। / From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.

Which concept should I revise for this Mathematics MCQ?

From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.

What exam hint can help solve this Mathematics question?

(180-10x=72+2x) से (108=12x) और (x=9) है। वृद्धि और क्षय मॉडल को बराबर करें।