expert Set 27 Logic Puzzle

Expert Sequence Pattern #27

Title
Expert Sequence Pattern #27
SequenceType
seq-numbers
DisplaySequence
  • 9
  • -3
  • _
  • _
  • -39
  • -51
  • -63
  • _
  • _
  • -99
FullSequence
  • 9
  • -3
  • -15
  • -27
  • -39
  • -51
  • -63
  • -75
  • -87
  • -99
BlankPositions
  • 2
  • 3
  • 7
  • 8
Answers
  • -15
  • -27
  • -75
  • -87
Rule
Subtract 12 each time (start at 9)
Question
Find the 4 missing terms in the sequence: 9, -3, _, _, -39, -51, -63, _, _, -99
SequenceLength
10
Hint
Look at the difference between each consecutive pair.