असमानता \(1\le \frac{x}{2}<4\) का संख्या रेखा पर हल कौन-सा है?
Which is the number line solution of \(1\le \frac{x}{2}<4\)?
Explanation opens after your attempt
Correct Answer
B. \(2\le x<8\)
Concept
Multiplying the whole inequality by (2) gives \(2\le x<8\). In exams the sign does not change when multiplying by a positive number.
Why this answer is correct
The correct answer is B. \(2\le x<8\). Multiplying the whole inequality by (2) gives \(2\le x<8\). In exams the sign does not change when multiplying by a positive number.
Exam Tip
पूरी असमानता को (2) से गुणा करने पर \(2\le x<8\) मिलता है। परीक्षा में धनात्मक से गुणा करने पर चिन्ह नहीं बदलता।
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