Puzzle Detail
Sequence Pattern Seq Arithmetic Hard — Set 30
Hard Sequence Pattern #30
- Title
- Hard Sequence Pattern #30
- SequenceType
- seq-arithmetic
- DisplaySequence
- 1
- _
- -15
- -23
- _
- -39
- -47
- _
- -63
- -71
- FullSequence
- 1
- -7
- -15
- -23
- -31
- -39
- -47
- -55
- -63
- -71
- BlankPositions
- 1
- 4
- 7
- Answers
- -7
- -31
- -55
- Rule
- Subtract 8 each time (start at 1)
- Question
- Find the 3 missing terms in the sequence: 1, _, -15, -23, _, -39, -47, _, -63, -71
- SequenceLength
- 10
- Hint
- Look at the difference between each consecutive pair.