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?  



Reading of the scale at one end = 3.0 cm and 

Reading of the scale at the other end = 33.1 cm

Therefore, length of the needle = (33.1-3.0)cm = 30.1cm

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo