## Successive sequence

By David, 23 January 2019

What’s the next letter in this sequence?

F, S, T, F, F, S, S, E …

Scroll down for the answer!

## Brainteaser answer

These are the first letters of the ordinal numbers: first, second, third, fourth, fifth, sixth, seventh, eighth, ninth … So the answer is N.

*For more brainteasers and puzzles for kids, subscribe to Double Helix magazine!*

## 0 comments