यदि (q<5) है तो दोनों ओर (-2) से गुणा करने पर सही परिणाम क्या है?
If (q<5), what is the correct result after multiplying both sides by (-2)?
Explanation opens after your attempt
B. (-2q>-10)
Concept
Multiplying by a negative number reverses the inequality sign. While multiplying by (-2), changing the direction is necessary.
Why this answer is correct
The correct answer is B. (-2q>-10). Multiplying by a negative number reverses the inequality sign. While multiplying by (-2), changing the direction is necessary.
Exam Tip
ऋणात्मक संख्या से गुणा करने पर असमानता का चिह्न पलटता है। (-2) से गुणा करते समय दिशा बदलना जरूरी है।
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