# A Standard Result?

What comes next? (All the question marks are the same!)

TH TH TH TH TH

The letter pairs given in the puzzle are the endings of the ordinal numbers - fir ST, seco ND, thi RD. TH then follows from four TH to twentie TH.

What comes next? (All the question marks are the same!)

TH TH TH TH TH

The letter pairs given in the puzzle are the endings of the ordinal numbers - fir ST, seco ND, thi RD. TH then follows from four TH to twentie TH.