Question

While measuring length of a wooden block, reading of the scale at one end is 3.5 cm and at the other end is 13.7 cm. What is the length of the wooden block?

• A.
  12.2 cm
• B.
  11.2 cm
• C.
  10.2 cm
• D.
  13.7

Answer 1

The correct option is C

10.2 cm
Length of the wooden block = Final reading - initial reading
= 13.7 cm - 3.5 cm
= 10.2 cm
Thus, the length of the wooden block is 10.2 cm.