Hard
Study the code: CLOUD=durxs, MOON=wxxv, SKY=tbh, STAR=pcba, SUN=bwd. What is the code letter of 'N'?
Explanation
Explanation
In SUN (code bwd), S is coded 'b' and U is coded 'd' (found from CLOUD), so the remaining letter N must be coded as 'w'.
PRO TIP
Re-check your working by substituting the answer back into the original question.