Logical reasoning - Quantitative Aptitude (MCQ) questions for Q. 21472

Q.  How many 7's are present in the following sequence of numbers which are both preceded and followed by perfect square numbers ?
    
8  6  3  7  9  7  4  3  6  9  7  2  1  7  4  9  5  2  5  4  7  9  5  2  9  7  1  4  7  1
- Published on 04 May 16

a. 4
b. 2
c. 5
d. 3
e. None of these

ANSWER: 5
 
8 6 3 7 9 7 4 3 6 9 7 2 1 7 4 9 5 2 5 4 7 9 5 2 9 7 1 4 7 1

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    Discussion

  • Ravi Kumar   -Posted on 13 May 16
    You hv missed one more pattern which is preceding by 9and following by 2 so it will also be included in the list. So the total number will be now 6

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