hard Set 59 Logic Puzzle

Hard Sequence Pattern #59

Title
Hard Sequence Pattern #59
SequenceType
seq-mixed
DisplaySequence
  • 1
  • _
  • 3
  • 20
  • _
  • 23
  • 7
  • _
  • 9
  • 29
FullSequence
  • 1
  • 17
  • 3
  • 20
  • 5
  • 23
  • 7
  • 26
  • 9
  • 29
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 17
  • 5
  • 26
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 1, _, 3, 20, _, 23, 7, _, 9, 29
SequenceLength
10
Hint
Look at every other term separately.