Question

10. Choose the correct answer.
Three wheels can complete 60, 36 and 24 revolutions per
minute. There is a red spot on each wheel that touches the
ground at time zero. After how much time, all these spots will
simultaneously touch the ground again?
(A)5/2s (B)5/3s
(C) 6s (D) 7.5 s​

Answer 1

Answer:

(B)5/3s

Step-by-step explanation:

after 5/3s wheels touches simultaneously