Question

Can anybody tell me the answer
Pllzzzz

Answer 1

Answer:

they will again arrive at the starting point by the lcm of all the sec

lcm(18,12,24)

18=2×3×3

12=2×2×3

24=2×2×2×3

lcm=2×2×2×3×3=72

at 72sec they will again arrive at the starting point

Answer 2

Answer:

Step-by-step explanation:

After 72 sec

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