Four number triads have been given, out of which three are alike in some manner and one is different. Select the number triad that is different from the rest.
Answer & explanation
Correct answer: option 3
The logic followed here is:
option 1
(273, 546, 819)
2+ 7 + 3 = 12
5 + 4 + 6 = 15
8 + 1 + 9 = 18
option 2
(291, 438, 657)
2 + 9 + 1 = 12
4 + 3 + 8 = 15
6 + 5 + 7 = 18
option 3
(326, 654, 981)
3 + 2 + 6 = 11
6 + 5 + 4 = 15
9 + 8 + 1 = 18
option 4
(192, 384, 576)
1 + 9 + 2 = 12
3 + 8 + 4 = 15
5 + 7 + 6 = 18