Normally it is S in the alphabet
In the alphabet the letter that comes after Q is the letter R. The letter that comes before Q would be P.
y
s
why would the letter I be the next letter in the sequence: C A R R
E dEsEr....E
d
The letter "Q" comes before the letter "R" in the alphabet.
I is the next letter.
A
the letter is R
The sequence appears to follow the order of colors in the rainbow: red, yellow, green, blue. After blue, the next color in the sequence is indigo. Therefore, the next letter in the sequence would be "i."
a