Here are 3 tasks. Keyboard input: you will need to enter one or several values as the answer.
The timer does not affect your place in the solved players list, it only helps you track your pace.
Question 1
On a pirate ship, there are several cats, a few sailors, a cook, and the one-legged Captain Silver. Between them all, they have 15 heads and 41 legs. How many cats were on the ship?
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Question 2
One Swiss association has 50 members. The native language of all 50 members of the society is German, but 20 of them also speak Italian, 35 of them speak French, and 10 speak neither Italian nor French. How many members of the society speak both French and Italian?
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Question 3
The sawyers cut the log into 1-meter-long pieces. The log is 5 meters long. It takes 1.5 minutes to cut the log crosswise each time. How long did it take to cut the entire log?
