यदि (f(x)=12x+50), तो (f(5x)-f(2x)) कब (180) होगा?

If (f(x)=12x+50), when will (f(5x)-f(2x)) be (180)?

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

B. (x=5)

Step 1

Concept

(f(5x)-f(2x)=(60x+50)-(24x+50)=36x). From (36x=180), (x=5).

Step 2

Why this answer is correct

The correct answer is B. (x=5). (f(5x)-f(2x)=(60x+50)-(24x+50)=36x). From (36x=180), (x=5).

Step 3

Exam Tip

(f(5x)-f(2x)=(60x+50)-(24x+50)=36x) है। (36x=180) से (x=5) है।

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यदि (f(x)=12x+50), तो (f(5x)-f(2x)) कब (180) होगा? / If (f(x)=12x+50), when will (f(5x)-f(2x)) be (180)?

Correct Answer: B. (x=5). Explanation: (f(5x)-f(2x)=(60x+50)-(24x+50)=36x) है। (36x=180) से (x=5) है। / (f(5x)-f(2x)=(60x+50)-(24x+50)=36x). From (36x=180), (x=5).

Which concept should I revise for this Mathematics MCQ?

(f(5x)-f(2x)=(60x+50)-(24x+50)=36x). From (36x=180), (x=5).

What exam hint can help solve this Mathematics question?

(f(5x)-f(2x)=(60x+50)-(24x+50)=36x) है। (36x=180) से (x=5) है।