hard Set 91 Logic Puzzle

Hard Sequence Pattern #91

Title
Hard Sequence Pattern #91
SequenceType
seq-arithmetic
DisplaySequence
  • 3
  • _
  • -21
  • -33
  • _
  • -57
  • -69
  • _
  • -93
  • -105
FullSequence
  • 3
  • -9
  • -21
  • -33
  • -45
  • -57
  • -69
  • -81
  • -93
  • -105
BlankPositions
  • 1
  • 4
  • 7
Answers
  • -9
  • -45
  • -81
Rule
Subtract 12 each time (start at 3)
Question
Find the 3 missing terms in the sequence: 3, _, -21, -33, _, -57, -69, _, -93, -105
SequenceLength
10
Hint
Look at the difference between each consecutive pair.