अंतराल ([2,5]) में कौन-सी संख्या अवश्य शामिल है?
Which number is definitely included in the interval ([2,5])?
Explanation opens after your attempt
A. (2)
Concept
Square brackets include the endpoints.
Why this answer is correct
In ([2,5]), both (2) and (5) are included.
Exam Tip
In a closed interval, do not forget the endpoints. चरण 1: वर्ग कोष्ठक सिरों को शामिल करते हैं। चरण 2: ([2,5]) में (2) और (5) दोनों शामिल हैं। चरण 3: बंद अंतराल में दोनों सिरे लेने न भूलें।
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