Lera comes to the swimming pool once every 12 days. Victor comes every 4 days and Oksana comes every 10 days. Last Monday all of them were in the pool. What is the next day they all going to be there?
1 Answer
Oct 30, 2017
60 days later (after last Monday)
Explanation:
Lara's days: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120 ......
Victor's days: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64 ..........
Oksana's days: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
As you can see, they will meet 60 days after last Monday. It is Friday. You can count. Monday is 0th day. 60th day is Friday.
