hard Set 80 Logic Puzzle

Hard Sequence Pattern #80

Title
Hard Sequence Pattern #80
SequenceType
seq-matrix
DisplaySequence
  • 5
  • _
  • 9
  • 11
  • _
  • 15
  • 17
  • _
  • 21
  • 23
FullSequence
  • 5
  • 7
  • 9
  • 11
  • 13
  • 15
  • 17
  • 19
  • 21
  • 23
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 7
  • 13
  • 19
Rule
Each term = 2n + 3
Question
Find the 3 missing terms in the sequence: 5, _, 9, 11, _, 15, 17, _, 21, 23
SequenceLength
10
Hint
Find the linear formula: multiply position by a constant and add another.