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Three students measured the length of a corridor and reported their measurements. The values of their measurements were different. What could be the reason for difference in their measurements? (Mention any three)
The reason for difference in their measurements could be
(i) The measurement may be taken for the length in all the cases.
(ii) may not be used.
(iii) The length of the corridor may .
(iv) The that are measured by various devices are .
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