Refer to the following number series and answer the question. 51263865365325695172 How many such numbers are there in the series each of which is immediately preceded by an even number and also immediately followed by an even number?

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Refer to the following number series and answer the question.

51263865365325695172

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

Answer:

D. 2

Read Explanation:

There are 2 such numbers in the series

To find them, we need to look for any digit that is sandwiched between two even numbers (Pattern: Even Number → Any Number → Even Number).

Scanning the series 51263865365325695172 from left to right, we find the following matching groups:

6 3 8: The number 3 is preceded by 6 (even) and followed by 8 (even).
2 5 6: The number 5 is preceded by 2 (even) and followed by 6 (even).

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