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7. 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?

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Reading of the scale at one end = 3.0 cm.

Reading of the scale at the other end = 33.1 cm.

Length of the needle = 33.1 cm - 3.0 cm = 30.1 cm

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Divya Prakash Singh

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