Calculate the number 714

NUMBERMANIA: Calculate the number 714 using numbers [4, 6, 6, 9, 48, 438] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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1
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10

Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
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Correct Answers: 
1
Points: 
10

What is hidden in the stereogram?

Stereogram - 3D Image
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Correct Answers: 
74
Points: 
1

Find a missing number

Author: Lidija Duvnjak
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Correct Answers: 
4
Points: 
9

Fill in the numbers in each empty box, so that sum of each 3 adjacent digits is always 15

Fill in the numbers in each empty box, so that sum of each 3 adjacent digits is always 15. Write solution as one multi-digit number.
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Correct Answers: 
12
Points: 
1
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