Select the option in which the numbers are related in the same way as are the numbers of the following set.
(31, 18, 7)
Answer & explanation
Correct answer: option 2
(31, 18, 7)
The logic followed here is :
31 + 18 = 49
49 = 72
49 = 49
Similarly
(90, 54, 12)
90 + 54 = 144
144 = 122
144 = 144