Multiple choice

Find the missing number in the following series. 234567 23456 ? 234 23

  1. 6

  2. 2356

  3. 2347

  4. 2345
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D Correct answer
Explanation

The series is a sequence of numbers where the last digit is removed sequentially: 234567, 23456, 2345, 234, 23.

AI explanation

The sequence drops the final digit from the preceding number to form each new term. Dropping the 7 from 234567 leaves 23456, and dropping the 6 from 23456 leaves 2345. Dropping the 5 from 2345 leaves 234, which establishes 2345 as the missing term.

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