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Question

Refer to the given number series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers. 

(Left) 1 6 1 5 5 2 4 8 4 9 1 8 7 3 3 6 9 1 2 6 2 1 2 7 4 9 3 (Right) 

How many such odd numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an even number?

This question was previously asked in
RRB Group D 2024 Question Paper PDF (27-Dec-2025) (Shift 2)
The correct answer is

4

Correct Answer: 3

The question involves identifying the position or count of specific numbers in a series when counted from the left end under given conditions.

After applying the conditions to the series, the answer is 3.

Refer to the original question paper for the complete series and conditions.

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Important Questions from Series

  1. Choose the option which completes the given figure series.

  2. Select the correct option that will fill in the blank and complete the series.

    18, 36, 108, 432, 2160, .............
  3. Select the correct option that will fill in the blank and complete the series.

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  4. Select the correct option that will fill in the blank and complete the series. 21, 43, 85, 171, 341, .......

  5. Select the correct option that will fill in the blank and complete the series.

    3, 5, 7, 9, 11, ?

    2, 2, 2, 2, 2, ?

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