Three measuring tapes are 64 cm, 72 cm and 96 cm. What is the least length that can be measured by any of the tapes exactly?

Three rods of 64 cm, 72 cm and 96 cm are used to measuring lengths. What is the least length that can be measured by any of the rods exactly ? Support your answer.

The length, breadth and height of a room are 12 m, 15 m, and 18 m respectively. Determine the longest tape which can measure all the three dimensions of the room exactly?

If the length and breadth of a thin rectangular sheet are measured, using a metre scale as 16.2 cm and 10.1 cm respectively. What is the area of the rectangular sheet.

A rectangle measures 40 cm at its length and 20 cm at its width. Find the ratio of the length to the width.

If the length of a cylinder is measured to be 4.28 cm with an error of 0.01 cm. The percentage error in the measured length is nearly