the answer will be 21
16 to 26 (+10) 26 to 21 (-5) 21 to 31 (+10) 31 (-5) = 26 26
16+10= 26 26-5= 21 21+10= 31 31-5= 26 The answer is 26
16+10=26 26-5=21 21+10=31 31-5=26 26+10=36
57
26
26
i this next word will be 26. because 16+10=26 26-5=21 21+10=31 31-5=26
16+10=26 26-5=21 21+10=31 31-5=26 so the next no. is 26...
a
http://wiki.answers.com/What_is_the_next_number_16_26_21_31
Well the pattern in add 10 then minus 5. So 31 minus 5 is 46.