DSSSB · Reasoning

Refer to the following one-digit number series and count from left to right. (Left) 6 6 9 9 7 9 6 5 8 2 4 6 2 1 4 5 7 9 8 3 5 4 5 8 2 1 9 (Right) How many odd numbers are there which are immediately preceded by an odd number and immediately followed by an even number?

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