### Brain Teasers

# A Different Angle

What should replace the question mark in this series?

16, 06, 68, 88, ?, 98

16, 06, 68, 88, ?, 98

### Hint

Try looking at the problem from a different angle (literally).### Answer

Take the given series and rotate it by 180 degrees.It now becomes: 86, ?, 88, 89, 90, 91.

Clearly the number that is missing is 87.

So in the original series, replace the question mark with a rotated 87 which is approximated by L8 here:

16, 06, 68, 88, L8, 98

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