Brain Teasers
What's Missing? 2
Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series
Can you fill in the missing sets? Some addition may be in order...
12 | 14
26 | 21
59 | 28
125 | 35
??? | ??
??? | ??
1049 | 56
12 | 14
26 | 21
59 | 28
125 | 35
??? | ??
??? | ??
1049 | 56
Answer
The missing sets are:257 | 42
521 | 49
Except for the first row, the number on the left is the sum of all previous numbers in the left column plus the number from the immediately previous row of the right column. The number on the right simply increases by 7 with each new row.
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