Question

49 Samantha, Jessica and Roseline begin to
og around a circular stadium. They
complete their revolutions in 84 s, 56 s an
063 s, respectively. After how many
seconds will they be together at the starting
point?
(a) 336
(c) 252
(b) 504
(d) 520​

Answer 1

Answer:

520 is the right ans I think so . beware it can be wrong also