Aptitude - Odd Man Out and Series - Discussion
Discussion Forum : Odd Man Out and Series - Pick Wrong No. (Q.No. 10)
Directions to Solve
Find out the wrong number in the given sequence of numbers.
10.
125, 127, 130, 135, 142, 153, 165
Answer: Option
Explanation:
Prime numbers 2, 3, 5, 7, 11, 13 are to be added successively.
So, 165 is wrong.
Discussion:
14 comments Page 2 of 2.
Rakesh Meshram said:
1 decade ago
125+2=127
127+3=130
130+5=135
135+7=142
142+11=153
153+13=166 but 165 is not a correct.
So 165 is wrong answer.
127+3=130
130+5=135
135+7=142
142+11=153
153+13=166 but 165 is not a correct.
So 165 is wrong answer.
Jyoti said:
1 decade ago
Kanu we are adding prime nos successively like 2, 3, 5, 7, 11 and no shoud be 13 not 12, b'coz 12 is not a prime no thats why 165 is a wrong no.
Kanu said:
1 decade ago
I have stil not understand. Anybody help me to clear it.
Birupaksha Pal said:
1 decade ago
The number 127 is a prime so can also be treated as the odd one of the series
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