Logic
Level
pending
In this arrangement , find the row in which the number 2010 will be
The answer is 63.
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1 solution
We may use 2 n ( n + 1 ) < 2 0 1 0 to get the row just before the row containing 2010 since each row ends with sum of first n natural numbers. It will give n ≤ 6 2 so 62+1=63th row will contain 2010 .