Question

Nick is going to the skating ring once in 12 days. Victoria is going to the skating ring once in 20 days. Boris is going to the skating ring once in 18 days. Last monday they all went to the skating ring. When is the next day they will be there all together?

Answer 1

Nick : 12, 24, 36,48,60,72,..... 180

Victoria: 20, 40, 60,80....180

Boris: 18,36,54,.....180

they will be together on day 180


good luck