Answer to the Number Series Unknown Riddle

Answer to the Puzzle of the Day 2114 : Number Series Unknown Riddle
Here is the refresher to the puzzle

Riddle : Can you guess the ? in the series – 16, 06, 68, 88, ?, 98. With reasons.

Here is the solution.

The series is the numbers from 86 to 91 and turned upside down. This way, the missing number is 87 and hence when turned upside down it is “L8“. Isnt it a mind cracker? Check this out in the following image.

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