hard Set 1 Logic Puzzle

Hard Sequence Pattern #1

Title
Hard Sequence Pattern #1
SequenceType
seq-arithmetic
DisplaySequence
  • 15
  • _
  • 31
  • 39
  • _
  • 55
  • 63
  • _
  • 79
  • 87
FullSequence
  • 15
  • 23
  • 31
  • 39
  • 47
  • 55
  • 63
  • 71
  • 79
  • 87
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 23
  • 47
  • 71
Rule
Add 8 each time (start at 15)
Question
Find the 3 missing terms in the sequence: 15, _, 31, 39, _, 55, 63, _, 79, 87
SequenceLength
10
Hint
Look at the difference between each consecutive pair.