PYQ Vault
EbooksTutor

Wrong term in a multiply-then-add series (x2+1, x3-2, x1+1 x2+2 ...)

This type of question, asked 5 times: 18 Sep 2025 S2, 22 Sep 2025 S3, 23 Sep 2025 S1, 24 Sep 2025 S1, 26 Sep 2025 S2. All 5 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    18 Sep 2025 S2

    25
    The series given below contains a sequence of numbers. Accordingly identify the incorrect combination 6, 7, 16, 51, 210

    Tap an option to check your answer.

  2. Question 2

    22 Sep 2025 S3

    25
    The series given below contains a sequence of numbers. Accordingly identify the incorrect combination 4, 5, 12, 39, 163

    Tap an option to check your answer.

  3. Question 3

    23 Sep 2025 S1

    12
    Which number breaks the pattern? 3, 6, 11, 20, 33, 70

    Tap an option to check your answer.

  4. Question 4

    24 Sep 2025 S1

    4
    Find the WRONG term in the given series. 12, 34, 100, 298, 894, 2674

    Tap an option to check your answer.

  5. Question 5

    26 Sep 2025 S2

    4
    In the following number series, a wrong number is given. Find out the WRONG number. 9, 19, 39, 78,159, 319

    Tap an option to check your answer.