On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
A. 2520cm
B. 2525cm
C. 2555cm
D. 2528cm
Answer:A
On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
A. 2520cm B. 2525cm C. 2555cm D. 2528cm
Explanation: We need to find the L.C.M of 40, 42 and 45 cm to get the required minimum distance.