DSSSB · Reasoning

Answer the question based on the following number series. (All numbers are only one digit numbers. The calculation is to be done only from left to right.) (Left) 2 4 5 2 5 1 6 5 3 5 2 3 2 9 4 9 4 6 8 5 5 8 5 6 3 5 8 (Right) How many such odd numbers are there, each of which is immediately preceded by an odd number and each of which is immediately followed by an even number?

  1. 5
  2. 4
  3. 6
  4. 3
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