Which point is known as point of reference in number line?

1.	Which point is known as point of reference in number line?
Answer» <html><body><p>A number <a href="https://interviewquestions.tuteehub.com/tag/line-1074199" style="font-weight:bold;" target="_blank" title="Click to know more about LINE">LINE</a> is defined as the pictorial representation of numbers such as fractions, integers and whole numbers laid out evenly on a <a href="https://interviewquestions.tuteehub.com/tag/straight-633156" style="font-weight:bold;" target="_blank" title="Click to know more about STRAIGHT">STRAIGHT</a> horizontal line. A number line can be used as a tool for comparing and ordering numbers and <a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> <a href="https://interviewquestions.tuteehub.com/tag/performing-2219384" style="font-weight:bold;" target="_blank" title="Click to know more about PERFORMING">PERFORMING</a> operations such as <a href="https://interviewquestions.tuteehub.com/tag/addition-367641" style="font-weight:bold;" target="_blank" title="Click to know more about ADDITION">ADDITION</a> and subtraction.</p></body></html>

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