Multiple choice

Which of the following statements is/are false? a. A cubit is a standard unit of measuring length. b. A correct metre scale has arrow signs on both ends. c. To reduce error due to thickness of scale a metre scale with the marked end bevelled or tapered should be used.

  1. only a

  2. only b

  3. only c

  4. a and c

  5. b and c
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A cubit is not a standard unit of measuring length because it is an arms length,  which can vary from person to person. This is the correct option.

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