कौन सा कथन (a<b) के लिए हमेशा सही है?
Which statement is always true for (a<b)?
Explanation opens after your attempt
A. (a-5<b-5)
Concept
Subtracting the same number from both sides does not change the direction. Negative multiplication and squares need extra care.
Why this answer is correct
The correct answer is A. (a-5<b-5). Subtracting the same number from both sides does not change the direction. Negative multiplication and squares need extra care.
Exam Tip
दोनों पक्षों से समान संख्या घटाने पर दिशा नहीं बदलती। ऋणात्मक गुणा और वर्ग के मामलों में विशेष सावधानी चाहिए।
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