Choose the correct alternative from the given options which will continue the same pattern and replace the question mark in the given number series.

698573245, 98573245, 9857324, 857324, 85723, ...........?

This question was previously asked in
HPCL Engineer Electrical 01 Nov 2022 Official Paper
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  1. 7325
  2. 7523
  3. 3275
  4. 5723

Answer (Detailed Solution Below)

Option 4 : 5723
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Detailed Solution

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The pattern followed here is;

First Digit is removed to get next term. 

In next Step Last Digit is removed to get next term and so on.
F1 Savita ENG 06-10-23 D5 F1 Savita ENG 06-10-23 D6 F1 Savita ENG 06-10-23 D7 F1 Savita ENG 06-10-23 D8 F1 Savita ENG 06-10-23 D9

Hence, the correct answer is "5723".

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