expert Set 29 Logic Puzzle

Expert Sequence Pattern #29

Title
Expert Sequence Pattern #29
SequenceType
seq-arithmetic
DisplaySequence
  • 9
  • 21
  • _
  • _
  • _
  • 69
  • 81
  • _
  • 105
  • 117
FullSequence
  • 9
  • 21
  • 33
  • 45
  • 57
  • 69
  • 81
  • 93
  • 105
  • 117
BlankPositions
  • 2
  • 3
  • 4
  • 7
Answers
  • 33
  • 45
  • 57
  • 93
Rule
Add 12 each time (start at 9)
Question
Find the 4 missing terms in the sequence: 9, 21, _, _, _, 69, 81, _, 105, 117
SequenceLength
10
Hint
Look at the difference between each consecutive pair.