Question

A cuckoo clock has birds that pop out of their nest every 10 minutes and dancers up about every 15 minutes the birds and dancers just popped out at the same time . When will this happen again in 60 minutes?

Answer 1

yes it will happen twice in 60 minutes. 1st at 30 mark then at the 60 mark

Answer 2

It will happen again in every 30 minutes. that means, yes it will also pop out in 60 minutes.