Multiple choice general knowledge math & puzzles

Find out the wrong one in the series:- 124,105,87,75,64,57

  1. 87

  2. 105

  3. 75

  4. 64

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A Correct answer
Explanation

The pattern follows subtracting consecutive integers: 124-19=105, 105-18=87, but then 87-17=70, not 75. The number 87 breaks the pattern; it should be 88 to maintain the sequence (124-19=105, 105-18=88, 88-17=71, 71-16=55, 55-15=40) or 75 should be 70.