Question

A B & C begin jog around a circular stadium. They complete their revolutions in 42s, 56s, &63s respectively. How many second will they be together at starting point.

Answer 1

Answer:

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Step-by-step explanation:

To find this answer we will take theL.C.M. of42,56,63

=126

therefore they will meet after 126sec or

2min 6 sec.