Multiple choice

Find the missing (?) in the series. $1, 1, 8, 4, 27, 9, ?, 16...$

  1. 32

  2. 48

  3. 64

  4. 72

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

The series alternates between cubes of natural numbers and their squares: 1³, 1², 2³, 2², 3³, 3², 4³, 4²... The pattern is (1,1), (8,4), (27,9), (64,16)... where each pair is (n³, n²). The missing term is 4³ = 64, which comes before 16 (which is 4²).