Multiple choice general knowledge math & puzzles

Find out wrong number in sequence 19,26,33,46,59,74,91

  1. 26

  2. 33

  3. 46

  4. 59

  5. 74
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sequence follows: add 7, then 7, then 13, then 13, then 15, then 17. The pattern of differences should be consistent pairs: 7,7 then 13,13 then 15,15 then 17,17. But 59→74 is +15, so 74 should be followed by +15 (giving 89), not +17 (giving 91). The number 74 at position 6 breaks what should have been a +15,+15 pair (59→74→89)

AI explanation

To identify the wrong number in the given sequence, let's analyze the pattern:

The given sequence is 19, 26, 33, 46, 59, 74, 91.

By observing the sequence, we can see that each number is obtained by adding 7 to the previous number, except for one number.

19 + 7 = 26 26 + 7 = 33 33 + 7 = 40 (incorrect, should be 46) 46 + 7 = 53 53 + 7 = 60 (incorrect, should be 59) 59 + 7 = 66 66 + 7 = 73 (incorrect, should be 74) 74 + 7 = 81 81 + 7 = 88 88 + 7 = 95 (incorrect, should be 91)

Therefore, the wrong number in the sequence is 40. So, option B) 33 is the correct answer.

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