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Question

While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?

A
30 cm
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B

33.1 cm
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C
30.1 cm
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D

36.1 cm
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Solution

The correct option is C 30.1 cm
Given,
One end is at 3.0 cm
Another end is at 33.1 cm
Length of the needle = Difference between the two readings on the scale
= 33.1 cm - 3.0 cm
= 30.1 cm
Thus, the length of the knitting needle is 30.1 cm.

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