Tough Number Riddle: Guess ?? in 16, 06, 68, 88, ??, 98
Look at the series of numbers given in the riddle and find the connection between them.
Find value of ?? in the following sequence.
16, 06, 68, 88, ??, 98
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Answer: 87
Explanation:
If you look at the upside down you will see that the series is actually
86, 87, 88, 89, 90, 91
So the answer is 87.