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.
17 : 189 :: 13: 69 :: 18 : ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 224.
The logic used here is:
(1st number)2 - 100 = 2nd number
17 : 189
172 - 100 = 189
13: 69
132 - 100 = 69
Similarly,
18 : ?
182 - 100 = 224
Hence, 224 is the correct answer.