Puzzles - Number puzzles
Exercise : Number puzzles
103.

Answer
:
39
Explanation
:
Moving from left to right, add 6 to the first number to get the next one along, then 8, 10 and 12 to complete the sequence.
104.

Answer
:
16
Explanation
:
Starting with the top left number, and working down one row at a time, alternating between left and right, double the number each time. Repeat this sequence, starting with the top right number.
105.

Answer
:
1
Explanation
:
Numbers in segments of the central circle equal the difference between the sum of the numbers in corresponding segments of the left two and right two circles.
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