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Differences grow by 2 each time (consecutive odd or even numbers): find the term

The same question, asked 5 times: 17 Jul 2023 S1*, 18 Jul 2023 S3*, 9 Sep 2024 S3*, 25 Sep 2024 S2*, 19 Sep 2025 S3. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    17 Jul 2023 S1

    4
    Which of the following numbers will replace the question mark (?) in the given series? 19, 26, ?, 46, 59, 74

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  2. Question 2

    18 Jul 2023 S3

    15
    Select the number from among the given options that can replace the question mark (?) in the following series. 4, 11, 20, 31, 44, ?

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  3. Question 3

    9 Sep 2024 S3

    20
    Select the number from the given options to complete the series. 35, 38, 43, 50, 59, ___

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  4. Question 4

    25 Sep 2024 S2

    1
    Select the number from among the given options that can replace the question mark (?) in the following series. 66, 75, 86, 99, 114, ?

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  5. Question 5

    19 Sep 2025 S3

    12
    Complete the given pattern : 13, 17, 23, 31, 41, ?

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