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#1 2017-02-15 07:01:46

Muhammad
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بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ
From: Sahiwal Division
Registered: 2012-03-22
Posts: 22,147
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IQ Aptitude Test Quiz Question.

Aptitude Quizzes IQ  Aptitude Test

Question:
In the following question, one term in series is wrong. Find out the wrong term? 3, 7, 15, 39, 63, 127, 255, 511

Option A):
15
Option B):
127
Option C):
63
Option D):
39

Correct Answer is Option D):
39

Explanation:
Each number in the series is multiplied by 2 and the result increased by 1 to obtain the next .number. So, 39 is wrong and should be replaced by(15 x 2 + 1) i.e. 31.


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2017-02-15 07:01:46

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