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Question : Directions: In the following question, find the odd one out from the given alternatives.

Option 1: 13 : 25 

Option 2: 31 : 63 

Option 3: 21 : 41

Option 4: 19 : 37 


Team Careers360 22nd Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: 31 : 63


Solution : Let's check the options –
First option: 13 : 25; (13 × 2) – 1 = 26 – 1 = 25
Second option: 31 : 63; (31 × 2) – 1 = 62 – 1 = 61 ≠ 63
Third option: 21 : 41; (21 × 2) – 1  = 42 – 1 = 41
Fourth option: 19 : 37; (19 × 2) – 1 = 38 – 1 = 37

Only the second option doesn't follow the pattern. Hence, the second option is correct.

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