Puzzle Detail
Sequence Pattern Seq Arithmetic Hard — Set 54
Hard Sequence Pattern #54
- Title
- Hard Sequence Pattern #54
- SequenceType
- seq-arithmetic
- DisplaySequence
- 9
- _
- -15
- -27
- _
- -51
- -63
- _
- -87
- -99
- FullSequence
- 9
- -3
- -15
- -27
- -39
- -51
- -63
- -75
- -87
- -99
- BlankPositions
- 1
- 4
- 7
- Answers
- -3
- -39
- -75
- Rule
- Subtract 12 each time (start at 9)
- Question
- Find the 3 missing terms in the sequence: 9, _, -15, -27, _, -51, -63, _, -87, -99
- SequenceLength
- 10
- Hint
- Look at the difference between each consecutive pair.