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
A. (15)
Concept
\(7\times1+8=15\). Multiplying by (1) does not change the number.
Why this answer is correct
The correct answer is A. (15). \(7\times1+8=15\). Multiplying by (1) does not change the number.
Exam Tip
\(7\times1+8=15\) होता है। (1) से गुणा करने पर संख्या नहीं बदलती।
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