Multiple choice general knowledge math & puzzles

Find out the wrong number in the given sequence of numbers. 105, 85, 60, 30, 0, -45, -90

  1. 85

  2. 0

  3. 60

  4. -45
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B Correct answer
Explanation

The pattern is subtracting increasing amounts: 105-20=85, 85-25=60, 60-30=30, 30-35=-5 (not 0), -5-40=-45, -45-45=-90. The number 0 breaks the pattern - it should be -5.

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