Examine the given number series and find the term that does not follow the pattern:
174, 149, 128, 105, 86, 69
Correct Answer :
128
Solution :
The correct option is 128.
To find the term that does not follow the pattern, let us analyze the differences between consecutive terms in the series:
174, 149, 128, 105, 86, 69
Let us check the pattern of subtracting consecutive decreasing odd numbers (25, 23, 21, 19, 17) starting from the first term:
According to this pattern, the third term should be 126 instead of 128.
Therefore, 128 is the term that does not follow the pattern.
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