Question

inner working competition three persons step off together their steps measure 85 CM 90 cm and 80 CM respectively at what distance from the starting point will they again step off together​

Answer 1

Answer:

Correct option is

A

122m  40cm

Step-by-step explanation:

GIVEN: Their steps measure 80 cm, 85 cm, and 90 cm.

We have to find the L.C.M of the measures of their steps to calculate the required distance each should walk.

L.C.M of 80 cm, 85 cm, and 90 cm.

80=2  

4

×5

85=17×5

90=2×3  

2

×5

L.C.M(80,85,90)=2  

4

×3  

2

×5×17

=12240cm

Hence, the minimum distance each should walk so that all can cover the same distance in complete steps is 12240 cm. or 122m 40cm

thus, option A is correct.  

HOPE IT HELPS !!

Please mark it as brainliest if u really found it helpful !