Multiple choice general knowledge math & puzzles

Identify the missing number in the series…7, 11, 19, 31, ? , 67..

  1. 57

  2. 51

  3. 47

  4. 49

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

The pattern is +4, +8, +12, +16, +20. Starting from 7: 7+4=11, 11+8=19, 19+12=31, 31+16=47, 47+20=67. Each increment increases by 4. The missing number is 47, which fits the pattern between 31 and 67.