Home JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-16 A student measuring the diameter of a pencil…
JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-16 Single Correct MCQ
Published on: August 14, 2026

A student measuring the diameter of a pencil of circular cross-section with the help of a vernier scale records the following four readings . The average of these four readings is and the standard deviation of the data is . The average diameter of the pencil should therefore be recorded as:

A
B
C
D

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Text Solution

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The correct answer is:
C

Use significant figures. Answer must be upto three significant figures.

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