Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.
Answer & explanation
Correct answer: option 3
1) 798 : 897 : 798,
7, 8, 9 are present in all the numbers.
2) 564 : 645 : 456,
5, 6, 4 are present in all the numbers.
3) 321 : 213 : 123,
3, 2, 1 are present in all the numbers.
Thus, the 432 : 324 : 231 is the odd one.