If 'SUN' is coded as 15, 18, 21 and 'MOON' is coded as 12, 15, 18, 21, what is the code for 'STAR'?

Answer: A. 19, 22, 25, 28
The coding for 'S' is 19, 'T' is 22, 'A' is 25, and 'R' is 28, following the pattern.