wiz-icon
MyQuestionIcon
MyQuestionIcon
11
You visited us 11 times! Enjoying our articles? Unlock Full Access!
Question

Question 12
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?

Open in App
Solution

The minimum distance that they need to walk is given by the LCM of 40, 42 and 45.
40 = 2×2×2×5
42 = 2×3×7
45 = 3×3×5
LCM (40,42,45) = 2×3×5×2×2×3×7
= 30×12×7=210×12
= 2520
Minimum distance each should walk is 2520 cm so that each can cover the same distance in complete steps.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon