A pencil is placed next to a ruler such that the ends of the pencil are at 6.2cm and 13.7cm markings on the ruler. What is the length of this pencil?
7.5
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Solution
The correct option is A 7.5 The length of the pencil can be calculated as the difference in the readings marked on the ruler. Hence, the length of the pencil is: ⇒13.7−6.2=7.5cm