ard goes every 2 days, Rita goes every 3 days and Alan goes every 5 days. They all went swimming together on friday 1st june

Question

What date does lard and Rita next go swimming together 

 

Answer 1

Lard goes every 2 days and Rita every 3. Lowest Common Multiple would be 6 in this case. They swam together on the first, so add 6 to 1 to get your final answer.