⁞ Number Puzzle
Puzzles ➤ Number Puzzle ➤ 1
Question 16
Q16. What number comes inside the circle?
Answer : 6
Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.
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Question 17
Q17. Which number completes the puzzle?
Answer : 19
As you move diagonally down, numbers follow the sequence of Prime Numbers.
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Question 18
Q18. Which number replaces the question mark?
Answer : 16
Starting bottom left and moving clockwise around the triangle, numbers follow the sequence of Square Numbers.
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Question 19
Q19. Which number replaces the question mark?
Answer : 4
Working in columns, the sum of the numbers in each column is always 14.
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Question 20
Q20. What is missing from the hexagon?
Answer : 40
Moving from left to right, numbers increase by 2,3,4 and 5.
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