यदि (2a-3<7), तो (a) के लिए सही सीमा क्या है?

If (2a-3<7), what is the correct bound for (a)?

Explanation opens after your attempt
Correct Answer

A. (a<5)

Step 1

Concept

(2a<10) gives (a<5). Dividing by a positive coefficient does not change the sign.

Step 2

Why this answer is correct

The correct answer is A. (a<5). (2a<10) gives (a<5). Dividing by a positive coefficient does not change the sign.

Step 3

Exam Tip

(2a<10) से (a<5) मिलता है। धनात्मक गुणांक से भाग देने पर चिन्ह नहीं बदलता।

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Mathematics Answer, Explanation and Revision Hints

यदि (2a-3<7), तो (a) के लिए सही सीमा क्या है? / If (2a-3<7), what is the correct bound for (a)?

Correct Answer: A. (a<5). Explanation: (2a<10) से (a<5) मिलता है। धनात्मक गुणांक से भाग देने पर चिन्ह नहीं बदलता। / (2a<10) gives (a<5). Dividing by a positive coefficient does not change the sign.

Which concept should I revise for this Mathematics MCQ?

(2a<10) gives (a<5). Dividing by a positive coefficient does not change the sign.

What exam hint can help solve this Mathematics question?

(2a<10) से (a<5) मिलता है। धनात्मक गुणांक से भाग देने पर चिन्ह नहीं बदलता।