Sequence Pattern Seq Mixed Hard — Set 18

Hard Sequence Pattern #18

Title

Hard Sequence Pattern #18

SequenceType

seq-mixed

DisplaySequence

• 5
• _
• 7
• 25
• _
• 30
• 11
• _
• 13
• 40

FullSequence

• 5
• 20
• 7
• 25
• 9
• 30
• 11
• 35
• 13
• 40

BlankPositions

• 1
• 4
• 7

Answers

• 20
• 9
• 35

Rule

Two interleaved arithmetic sequences

Question

Find the 3 missing terms in the sequence: 5, _, 7, 25, _, 30, 11, _, 13, 40

SequenceLength

10

Hint

Look at every other term separately.