Discover your intellectual strengths
The terms in patterned sequences follow repeating patterns which may be increasing, decreasing or alternating accordingly.
Example 1
{2, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 2, 5, 5, 5, 2, ?, 5}
Answer:5.
Explanation: There is a decreasing order of 'fives' between the 'twos'.
Example 2
{1, 33, 666, ?, 1212121212, 151515151515, ?, 2121212121212121}
{10101010101010101010, 88888888, 666666 ?, 22}
Answer: 4444
Explanation: There are ten 10s, eight 8s, six 6s, four 4s, and two 2s
1. {1, 2, 4, 7, 8, 10, 13, ?}
Answer: 13 + 1 = 14
Explanation: The numbers one, two and three are being added in recurring order.
2. {9, 119, ?, 1513119, 171513119, 19171513119, 2119171513119}
Answer:13119, 232119171513119
Explanation: Insert consecutive odd numbers to the left of the proceeding term.
3. {2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, ?}
Answer: 54 x 3 = 162
Explanation: Triple each term for every consecutive set of three terms.
4. {4, 2, 4, 2, 4, 2, 4, 2, 4, 2, ?}
Answer: 4
Explanation: Digits are constantly alternating from four to two.
5. {3, 34, 345, 3456, 34567, 345678, ?}
Answer: 3456789
Explanation: Each term gains a digit incrementally bigger than the last digit of the preceeding term.