Question
Find the wrong number in the given number series.
3, 28, 253, 858, 2103, 4128Solution
ATQ,
3 + 5² = 28
28 + 15² = 253
253 + 25² = 878
878 + 35² = 2103
2103 + 45² = 4128
So, 878 should be in place of 858.
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