यदि संख्या रेखा पर (M) और (N) क्रमशः (-6.2) और (-1.8) पर हैं, तो (MN) की लंबाई कितनी है?
If (M) and (N) are at (-6.2) and (-1.8) respectively on the number line, what is the length of (MN)?
Explanation opens after your attempt
B. (4.4)
Concept
The length is (|-1.8-(-6.2)|=4.4). In exams, always write length as positive.
Why this answer is correct
The correct answer is B. (4.4). The length is (|-1.8-(-6.2)|=4.4). In exams, always write length as positive.
Exam Tip
लंबाई (|-1.8-(-6.2)|=4.4) है। परीक्षा में लंबाई हमेशा धनात्मक लिखें।
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