Question

NCERT VI Social Sciences

While measuring the length of a knitting needle, the reading of the scale at one end is 3 cm and at the other end is 33.1 cm. What is the length of the needle?

Answer 1

Since the one end is 3cm and the other end is 33.1cm we should subtract 3 from 33.1.
  Therefore, the answer is 30.1cm.