Aptitude - Odd Man Out and Series - Discussion
Discussion Forum : Odd Man Out and Series - Find Wrong No. (Q.No. 15)
Directions to Solve
Find out the wrong number in the series.
15.
3, 7, 15, 27, 63, 127, 255
Answer: Option
Explanation:
Go on multiplying the number by 2 and adding 1 to it to get the next number.
So, 27 is wrong.
Discussion:
12 comments Page 2 of 2.
Sundar said:
1 decade ago
@Santanu
No. 127 cannot be divided by 3 as you said.
Therefore, 27 is the only correct answer I hope.
No. 127 cannot be divided by 3 as you said.
Therefore, 27 is the only correct answer I hope.
Santanu said:
1 decade ago
All numbers are divisible by 3 except 7. So, 7 can be one answer.
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