Multiple choice

Directions: Find the missing term in the following series. 9, 50, 10, 48, 14, ?, 23, 38, 39, 30

  1. 44

  2. 40

  3. 38

  4. 36

  5. 32

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The series consists of two alternating sequences: 9, 10, 14, 23, 39 (differences are +1, +4, +9, +16, which are squares) and 50, 48, ?, 38, 30 (differences are -2, -4, -6, -8). The missing term is 48 - 4 = 44.