Question
In each of the following questions, one number in the
series does not follow the pattern of the others. Identify that wrong number in the series. 1, 4, 9, 16, 27, 36, 49Solution
Recognise the pattern: these are squares of natural numbers: 1 = 1² 4 = 2² 9 = 3² 16 = 4² 25 = 5² (should be here) 36 = 6² 49 = 7² But instead of 25, we have 27. So 27 is the wrong number.
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