Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
Answer & explanation
Correct answer: option 3
THE LOGIC;
( Number : (Number +1)x2 +2 )
1) 14 : 227;
14 : 14+1 x2 +2
2) 11 : 146;
11 : 11+1 x2 +2
3) 17 : 290;
17 : 17 x2 +1
4) 10 : 123;
10 : 10+1 x2 +2
Thus, 17 : 290 is the odd one.