Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
18 : 55 :: 28 : 85 :: 36 : ?
Answer & explanation
Correct answer: option 3
Logic followed is :
First number × 3 + 1 = Second number
First pair = 18 × 3 + 1 = 54 + 1 = 55
Second pair = 28 × 3 + 1 = 84 + 1 = 85
Third pair = 36 × 3 + 1 = 108 + 1 = 109
Therefore, 109 is correct answer .