hard Set 53 Logic Puzzle

Hard Sequence Pattern #53

Title
Hard Sequence Pattern #53
SequenceType
seq-mixed
DisplaySequence
  • 9
  • _
  • 13
  • 24
  • _
  • 28
  • 21
  • _
  • 25
  • 36
FullSequence
  • 9
  • 20
  • 13
  • 24
  • 17
  • 28
  • 21
  • 32
  • 25
  • 36
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 20
  • 17
  • 32
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 9, _, 13, 24, _, 28, 21, _, 25, 36
SequenceLength
10
Hint
Look at every other term separately.