Question
In each of the following giving number series, a wrong
number is given. Find out the wrong number? 82, 81, 86, 110, 168, 287Solution
82 + 13 – 2 = 81 81 + 23 – 3 = 86 86 + 33 – 4 = 109 109 + 43 – 5 = 168 168 + 53 – 6 = 287
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