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RRB Junior Engineer / DMS / CMA 2024 · Question 473 of 730

If 1 is added to each odd digit and 1 is subtracted from each even digit in the number 8436152, then what will be the difference between the last and the first digits from the left in the number thus formed?

  1. A4
  2. B3
  3. C6Correct
  4. D5

Answer: C. 6

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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