यदि (b=1) हो तो (7b+8) का मान क्या होगा?

If (b=1), what is the value of (7b+8)?

Explanation opens after your attempt
Correct Answer

A. (15)

Step 1

Concept

\(7\times1+8=15\). Multiplying by (1) does not change the number.

Step 2

Why this answer is correct

The correct answer is A. (15). \(7\times1+8=15\). Multiplying by (1) does not change the number.

Step 3

Exam Tip

\(7\times1+8=15\) होता है। (1) से गुणा करने पर संख्या नहीं बदलती।

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Mathematics Answer, Explanation and Revision Hints

यदि (b=1) हो तो (7b+8) का मान क्या होगा? / If (b=1), what is the value of (7b+8)?

Correct Answer: A. (15). Explanation: \(7\times1+8=15\) होता है। (1) से गुणा करने पर संख्या नहीं बदलती। / \(7\times1+8=15\). Multiplying by (1) does not change the number.

Which concept should I revise for this Mathematics MCQ?

\(7\times1+8=15\). Multiplying by (1) does not change the number.

What exam hint can help solve this Mathematics question?

\(7\times1+8=15\) होता है। (1) से गुणा करने पर संख्या नहीं बदलती।