Multiple choice

Find the wrong term in the following number series. $13, 16, 38, 124, 504, 2535$

  1. $38$
  2. $16$
  3. $124$
  4. $504$
  5. $2535$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The series follows: ×2-10, ×3-10, ×4-10, ×5-10. Checking: 13×2-10=16, 16×3-10=38, 38×4-10=142 (not 124), 142×5-10=700... The term 124 is incorrect and should be 142.

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