यदि (g(x)=420-14x), तो (g(2x)-g(6x)) कब (224) होगा?

If (g(x)=420-14x), when will (g(2x)-g(6x)) be (224)?

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

B. (x=4)

Step 1

Concept

(g(2x)-g(6x)=(420-28x)-(420-84x)=56x). From (56x=224), (x=4).

Step 2

Why this answer is correct

The correct answer is B. (x=4). (g(2x)-g(6x)=(420-28x)-(420-84x)=56x). From (56x=224), (x=4).

Step 3

Exam Tip

(g(2x)-g(6x)=(420-28x)-(420-84x)=56x) है। (56x=224) से (x=4) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (g(x)=420-14x), तो (g(2x)-g(6x)) कब (224) होगा? / If (g(x)=420-14x), when will (g(2x)-g(6x)) be (224)?

Correct Answer: B. (x=4). Explanation: (g(2x)-g(6x)=(420-28x)-(420-84x)=56x) है। (56x=224) से (x=4) है। / (g(2x)-g(6x)=(420-28x)-(420-84x)=56x). From (56x=224), (x=4).

Which concept should I revise for this Mathematics MCQ?

(g(2x)-g(6x)=(420-28x)-(420-84x)=56x). From (56x=224), (x=4).

What exam hint can help solve this Mathematics question?

(g(2x)-g(6x)=(420-28x)-(420-84x)=56x) है। (56x=224) से (x=4) है।