Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: (11, 121)
Option 2: (13, 169)
Option 3: (19, 391)
Option 4: (21, 441)
Correct Answer: (19, 391)
Solution :
Let's check the options –
First option:
(11, 121)→(11)
2
= 121
Second option:
(13, 169)→(13)
2
= 169
Third option:
(19, 391)→(19)
2
= 361 ≠ 391
Fourth option:
(21, 441)→(21)
2
= 441
The third option does not follow a similar pattern as the other options. Hence, the third option is correct.
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