संख्या रेखा पर ( -10 ) पर खुला बिंदु और ( -4 ) पर बंद बिंदु है तथा इनके बीच छाया है। सही अंतराल कौन सा है?
On a number line, ( -10 ) is an open dot, ( -4 ) is a closed dot, and the region between them is shaded. Which interval is correct?
Explanation opens after your attempt
B. ( (-10,-4] )
Concept
( -10 ) is excluded and ( -4 ) is included. It is important to write intervals from smaller to larger values.
Why this answer is correct
The correct answer is B. ( (-10,-4] ). ( -10 ) is excluded and ( -4 ) is included. It is important to write intervals from smaller to larger values.
Exam Tip
( -10 ) बाहर है और ( -4 ) अंदर है। छोटे से बड़े क्रम में अंतराल लिखना जरूरी है।
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