यदि संख्या रेखा पर (1) पर खाली वृत्त और (8) पर भरा वृत्त है तथा बीच में छायांकन है तो अंतराल क्या है?
If the number line has an open circle at (1), a closed circle at (8), and shading between them, what is the interval?
Explanation opens after your attempt
C. ((1,8])
Concept
The open circle excludes (1), and the closed circle includes (8). Therefore ((1,8]) is correct.
Why this answer is correct
The correct answer is C. ((1,8]). The open circle excludes (1), and the closed circle includes (8). Therefore ((1,8]) is correct.
Exam Tip
खाली वृत्त (1) को बाहर रखता है और भरा वृत्त (8) को शामिल करता है। इसलिए ((1,8]) सही है।
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