Question

the length, breadth and height of a room are 8m and 25cm,6m and 75cm,4m and 50cm respectively.find the length of the longest room.That can measure the three dimensions of room exactly​

Answer 1

8m25 cm = 825 cm

6m75cm = 675 cm

4m50cm = 450cm

now we need to find largest number which can divide these 3 numbers.. ie HCF of these numbers.

ans = 75cm

so the longest rod can be 75 cm long..