expert Set 28 Logic Puzzle

Expert Sequence Pattern #28

Title
Expert Sequence Pattern #28
SequenceType
seq-mixed
DisplaySequence
  • 10
  • 13
  • _
  • 15
  • _
  • _
  • _
  • 19
  • 22
  • 21
FullSequence
  • 10
  • 13
  • 13
  • 15
  • 16
  • 17
  • 19
  • 19
  • 22
  • 21
BlankPositions
  • 2
  • 4
  • 5
  • 6
Answers
  • 13
  • 16
  • 17
  • 19
Rule
Two interleaved arithmetic sequences
Question
Find the 4 missing terms in the sequence: 10, 13, _, 15, _, _, _, 19, 22, 21
SequenceLength
10
Hint
Look at every other term separately.