For measuring a pencil box, which of the following is suitable?

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Long 30 cm meter scale

Small 15 cm meter scale

A tape of 5 m long

None of the above

answer is B.

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Detailed Solution

Concept: Penbox dimensions are not very long and are usually available in a few centimeters in length. Therefore, various measuring instruments can be considered to measure the dimensional length of a pencil.
These instruments include:
1. Long 30 cm scale.
2. A small 15 cm scale. 3. Tape with a length of 5m. After the first choice, a preferred and convenient element of pencil measurement is the metric scale. As a rule, meter scales can exist in several forms. Of these, the length of 15 cm is the most suitable. This is because the pen box length does not exceed the usual 13 cm, but with an unnecessarily long measuring device, the pen box length is measured on a shorter meter scale to achieve reliability. It is reliable and convenient to do. Length measurement. Rather, you could consider other equipment such as a 30 cm long scale or a 5 m long tape measure, but they are not very reliable for short length measurements and can only be used for long dimension measurements. Therefore, to measure the pen box, a small scale of 15 cm is used.
Hence, the correct option is 2

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