DSSSB · Reasoning

Refer to the following number series and answer the question that follows. All numbers are single digit numbers only. (Counting to be done from left to right only.) (Left) 5 9 7 3 8 2 4 1 9 2 6 4 5 3 6 1 2 4 9 8 6 5 2 1 4 3 3 (Right) How many such even numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an odd number?

  1. Three
  2. Five
  3. Two
  4. Four
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