Multiple choice general knowledge math & puzzles

1, 5, 14, 30, 50, 55, 91

  1. 5

  2. 50

  3. 55

  4. 91
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is sum of consecutive cubes: 1³=1, 1³+2³=9, 1³+2³+3³=36, 1³+2³+3³+4³=100, 1³+2³+3³+4³+5³=225. The number 50 doesn't fit in any of these sums, while 5, 14, 30, 55, and 91 are all in these sequences.

Keep practicing — related questions