Multiple choice

In each of the following number series a wrong number is given. Find out the wrong number. $-10 -9 -10 -4 52 385$

  1. $-10$
  2. $-9$
  3. $-4$
  4. $52$

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is -10+1=-9, -9×1-1=-10, -10×2+16=-4 (should be different), -4×12-8=52, 52×7+21=385. The term -4 at position 4 breaks the established pattern. Each operation should follow a consistent logic.

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