Multiple choice

In the following number series only one number is wrong. Find the wrong number? $2 \qquad 10 \qquad 18 \qquad 54 \qquad 162 \qquad 486$

  1. $2$
  2. $10$
  3. $18$
  4. $54$
  5. $162$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern from term 3 onward: multiply by 3. Starting from 18: 18×3=54, 54×3=162, 162×3=486. This is consistent. The first part 2, 10, 18 doesn't fit the ×3 pattern (2×3≠10). If 10 were 6, it would be 2, 6, 18, 54... (each term ×3 from third). So 10 is incorrect.

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