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Collection "missing number" Puzzle 131

Free on line practice

Find the missing number

#Puzzle 131

By Panos Kalliantasis





Try to solve this puzzle
 
 Scroll down to see the answer
 
 
 
 
 
Answer and explanation
 
The pattern is:
The number in the center of the circle is the Greatest Common Divisor  of the numbers on the circumference of the circle.
 
Shape first
 G.C.D (16,24,32,48)=8
Shape second
G.C.D (27,18,36,45)=9
Shape third
G.C.D (36,54,18,24)=6

 Correct answer is 6
 
 

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