hard Set 76 Logic Puzzle

Hard Sequence Pattern #76

Title
Hard Sequence Pattern #76
SequenceType
seq-arithmetic
DisplaySequence
  • 15
  • _
  • -15
  • -30
  • _
  • -60
  • -75
  • _
  • -105
  • -120
FullSequence
  • 15
  • 0
  • -15
  • -30
  • -45
  • -60
  • -75
  • -90
  • -105
  • -120
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 0
  • -45
  • -90
Rule
Subtract 15 each time (start at 15)
Question
Find the 3 missing terms in the sequence: 15, _, -15, -30, _, -60, -75, _, -105, -120
SequenceLength
10
Hint
Look at the difference between each consecutive pair.