The logic follows here is: Sum of positional values of letters - Number of Vowels In LAND; L = 12 A = 1 (vowel) N = 14 D = 4 Number of Vowels = 1 LAND = (12 + 1 + 14 + 4) - 1 = 31 - 1 = 30 In GOLF; G = 7 O = 15 (vowel) L = 12 F = 6 Number of Vowels = 1 GOLF = (7 + 15 + 12 + 6) - 1 = 40 - 1 = 39 Similarly; In CLUE; C = 3 L = 12 U = 21 (vowel) E = 5 (vowel) Number of Vowels = 2 CLUE = (3 + 12 + 21 + 5) - 2 = 41 - 2 = 39 Hence, "39" is the correct answer.