Question

The length, the breadth and the height of a room are 425cm, 375cm and 325cm respectively. What is the length of the longest tape which measure the length, the breadth and the height of the room exactly ?​

Answer 1

Answer:

length of the longest tape which measure the length,breadth and height exactly is the hcf of

425cm, 375 cm ,325 cm

425=5×5×17

375=5×5×5×3

325=5×5×13

so hcf of 425, 375, 325 is 5×5=25

so the length of the longest tape is 25 cm