यदि (p(x)=7x-30), तो (p(a)=a) होने पर (a) क्या है?

If (p(x)=7x-30), what is (a) when (p(a)=a)?

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Correct Answer

B. (5)

Step 1

Concept

(p(a)=7a-30). From (7a-30=a), we get (a=5).

Step 2

Why this answer is correct

The correct answer is B. (5). (p(a)=7a-30). From (7a-30=a), we get (a=5).

Step 3

Exam Tip

(p(a)=7a-30) है। (7a-30=a) से (a=5) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=7x-30), तो (p(a)=a) होने पर (a) क्या है? / If (p(x)=7x-30), what is (a) when (p(a)=a)?

Correct Answer: B. (5). Explanation: (p(a)=7a-30) है। (7a-30=a) से (a=5) मिलता है। / (p(a)=7a-30). From (7a-30=a), we get (a=5).

Which concept should I revise for this Mathematics MCQ?

(p(a)=7a-30). From (7a-30=a), we get (a=5).

What exam hint can help solve this Mathematics question?

(p(a)=7a-30) है। (7a-30=a) से (a=5) मिलता है।