hard Set 75 Logic Puzzle

Hard Sequence Pattern #75

Title
Hard Sequence Pattern #75
SequenceType
seq-arithmetic
DisplaySequence
  • 6
  • _
  • 12
  • 15
  • _
  • 21
  • 24
  • _
  • 30
  • 33
FullSequence
  • 6
  • 9
  • 12
  • 15
  • 18
  • 21
  • 24
  • 27
  • 30
  • 33
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 9
  • 18
  • 27
Rule
Add 3 each time (start at 6)
Question
Find the 3 missing terms in the sequence: 6, _, 12, 15, _, 21, 24, _, 30, 33
SequenceLength
10
Hint
Look at the difference between each consecutive pair.