A father and his son are walking through the beach. The father foot prints are 5 meters apart. The son's foot prints 4 meter apart. If the son step in the father first foot print.

Question

1. How many steps will he take before the print match again
2. How many steps will the father take before the print match again
3. What is the distance between the first and the third matching point

Answer 1

1. The son will take 5 steps before his footprints match with the father's footprints again.
2. The father will take 4 steps before his footprints match with the son's footprints again.
3. The distance between the first and the third matching point is 20 meters, as it is the least common multiple of 5 and 4.