Q13.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 that each should walk so that each can cover the same distance
in complete steps? [Ans 2520 cm)
Answers
Answered by
3
Answer:
Step-by-step explanation:
Take LCM Of 40 ,42,45
Answer:5×3×3×2×4×7
=2520
See the pic
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Answered by
2
The only answer is to find its L.C.M.
40,42,45/2
=20,21,45/2
=10,21,45/2
=5,21,45/3
=5,7,15/3
=5,7,5/5
=1,7,1/7
=1,1,1
L.C.M=2*2*2*3*3*5*7=2520
I had done this in class 6 or 7 in 2 chapter ...I think so....
plz mark as brainiest..plz...plz
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