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Number series: two interleaved series in alternate places

This type of question, asked 5 times: 18 Jul 2023 S2, 25 Jul 2023 S3, 18 Sep 2024 S2, 23 Sep 2025 S3, 24 Sep 2025 S1. All 5 questions below, oldest first.

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  1. Question 1

    18 Jul 2023 S2

    14
    Which number should replace the question mark (?) in the following number series? 49, 54, 44, 59, ?, 64, 34

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  2. Question 2

    25 Jul 2023 S3

    20
    Which of the following numbers will replace the question mark (?) in the given series? 57, 69, 88, 112, 150, 186, 243, ?

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  3. Question 3

    18 Sep 2024 S2

    14
    Which of the following numbers will replace the question mark (?) in the given series? 20, 25, 25, 35, 30, 45, ?, 55, 40

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  4. Question 4

    23 Sep 2025 S3

    10
    What comes next? 2, 4, 3, 6, 4, 8, ?

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  5. Question 5

    24 Sep 2025 S1

    3
    What should come in place of the question mark '?' in the following number series? 61, 60, 63, 58, 65, ?

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