hard Set 86 Logic Puzzle

Hard Sequence Pattern #86

Title
Hard Sequence Pattern #86
SequenceType
seq-arithmetic
DisplaySequence
  • 5
  • _
  • -3
  • -7
  • _
  • -15
  • -19
  • _
  • -27
  • -31
FullSequence
  • 5
  • 1
  • -3
  • -7
  • -11
  • -15
  • -19
  • -23
  • -27
  • -31
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 1
  • -11
  • -23
Rule
Subtract 4 each time (start at 5)
Question
Find the 3 missing terms in the sequence: 5, _, -3, -7, _, -15, -19, _, -27, -31
SequenceLength
10
Hint
Look at the difference between each consecutive pair.