DSSSB · Reasoning

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

  1. Four
  2. Six
  3. five
  4. Seven
Answer and detailed solution are available in the protected study screen.
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