Multiple choice

Find the missing number of the series from the given alternatives. 63, 62, 61, ___, 49 , 40, 13

  1. 53

  2. 60

  3. 55

  4. 57
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D Correct answer
Explanation

The pattern subtracts consecutive square numbers from the preceding term: 63-0²=63, 62-1²=61, 61-2²=57, 57-3²=48, 48-4²=32, 32-5²=7. Checking: 63, 62, 61, 57, 48, 32, 7 - this is the correct pattern. Option D (57) fits perfectly as the missing term.

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