DSSSB · Reasoning

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

  1. One
  2. Three
  3. Four
  4. Two
Answer and detailed solution are available in the protected study screen.
Register or login to attempt