Open the lock

Open the lock

Someone left this box in the classroom. It has a lock with a four number combination. Are you ready to open it?

To know the combination you should solve the next five clues

Find all the words. With the remaining letters you will get the first clue.

Letter soup

33

37

34

First clue

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Isabel's best friend

Listen to Isabel's description of her best friend. Then decide which is Isabel's best friend.

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Who is the intruder?

Look at the numbers. Which one does not belong to the group.

29

11

13

23

19

17

21

47

31

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Find the value of Mystery

e = -5 m = 14 r = m + 6 s = m - 1 t = 37 y = -11

62

68

57

52

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Who has no couple?

A number that is a divisor of 12 and 15

A number greater than eight and odd

A number even and mutiple of 5

A number less than thirty and prime

21

17

30

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Find out the combination

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