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Each box in the classroom is locked, the padlock has 3 digits. To find the right combination, students have to find the correct answers to 3 questions, which are cyphered in puzzles/codes/riddles - they are printed on one coloured sheet of paper (the same colour as the box). See the decyphered questions for these boxes:
| ||1st digit ||2nd digit ||3rd digit ||color of the box ||code |
|France ||Have a look at the EU flags and tell how many countries use yellow stripes. ||How many even numbers are in the year, when the 1st Erasmus programme was launched? ||How many times is the letter “i” used in the EU’s motto? ||yellow ||614 |
|Slovakia ||Have a look at the EU flags and tell how many countries use only three vertical stripes. ||Add all the digits of the year when euro banknotes and coins were first introduced in 12 countries. ||How many stars on the EU flag are there? Add all the digits. ||green ||543 |
|Greece ||Have a look at the EU flags and tell how many countries use green colour. ||How many odd numbers are in the year date of the treaty of Rome? ||How many founding countries of the EU were there? ||blue ||646 |
|Norway ||Have a look at the EU flags and tell how many countries use only red and white. ||Add the first and the last digit from the year, when the flag of Europe was adopted by the European Union. ||How many official languages are there in the EU? Add all the digits. ||red ||456 |
|exhibition ||Have a look at the EU flags and tell how many countries use only red, blue and white. ||Add all the digits of the year, when the 28th member (Croatia) joined the EU. ||How many members are there in the European Parliament? Add the first and the last digit . ||orange ||768 |