Multiple choice

Find the wrong term in the following number series: 2909907 153093 9009 693 63 9 1.8

  1. 9

  2. 153093

  3. 1.8

  4. 2909907

  5. 63
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B Correct answer
Explanation

The pattern is dividing by consecutive odd primes in descending order: 19, 17, 13, 11, 7, 5. Starting with 2909907, 2909907 ÷ 19 = 153153, not 153093. The rest of the series follows this pattern correctly.

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