Here are 3 tasks. Keyboard input: you will need to enter one or several values as the answer.
Easy puzzle
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The timer does not affect your place in the solved players list
Question 1
Enter your answer here
Question 2
The son is one-third the age of his father. However, five years ago, he was exactly one-fourth the age of his father. Enter the current ages of the son and father, separated by a comma.