expert Set 49 Logic Puzzle

Expert Sequence Pattern #49

Title
Expert Sequence Pattern #49
SequenceType
seq-arithmetic
DisplaySequence
  • 9
  • -1
  • -11
  • -21
  • _
  • _
  • _
  • _
  • -71
  • -81
FullSequence
  • 9
  • -1
  • -11
  • -21
  • -31
  • -41
  • -51
  • -61
  • -71
  • -81
BlankPositions
  • 4
  • 5
  • 6
  • 7
Answers
  • -31
  • -41
  • -51
  • -61
Rule
Subtract 10 each time (start at 9)
Question
Find the 4 missing terms in the sequence: 9, -1, -11, -21, _, _, _, _, -71, -81
SequenceLength
10
Hint
Look at the difference between each consecutive pair.