(4) In this question, the code is based on the letter’s position in the English alphabet. The logic used within the letters is as follows: The position of the letters of the word according to the alphabet are added. The code of TOAST is written as: Word: T O A S T Position: 20th15th1st19th20th Add positions= 20+15+1+19+20 = 75 In the same manner, GUEST will be written as: Word: G U E S T Position:7th21st5th1th20th Add positions= 7+21+5+19+20 = 72 Thus, the GUEST will be coded as 72.