hard Set 49 Logic Puzzle

Hard Sequence Pattern #49

Title
Hard Sequence Pattern #49
SequenceType
seq-arithmetic
DisplaySequence
  • 9
  • _
  • 15
  • 18
  • _
  • 24
  • 27
  • _
  • 33
  • 36
FullSequence
  • 9
  • 12
  • 15
  • 18
  • 21
  • 24
  • 27
  • 30
  • 33
  • 36
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 12
  • 21
  • 30
Rule
Add 3 each time (start at 9)
Question
Find the 3 missing terms in the sequence: 9, _, 15, 18, _, 24, 27, _, 33, 36
SequenceLength
10
Hint
Look at the difference between each consecutive pair.