hard Set 31 Logic Puzzle

Hard Sequence Pattern #31

Title
Hard Sequence Pattern #31
SequenceType
seq-mixed
DisplaySequence
  • 1
  • _
  • 4
  • 20
  • _
  • 25
  • 10
  • _
  • 13
  • 35
FullSequence
  • 1
  • 15
  • 4
  • 20
  • 7
  • 25
  • 10
  • 30
  • 13
  • 35
BlankPositions
  • 1
  • 4
  • 7
Answers
  • 15
  • 7
  • 30
Rule
Two interleaved arithmetic sequences
Question
Find the 3 missing terms in the sequence: 1, _, 4, 20, _, 25, 10, _, 13, 35
SequenceLength
10
Hint
Look at every other term separately.