Question
The square of the natural numbers are grouped as 1²,
 ( 2² , 3² ), ( 4² , 5² , 6² ) ,...,(...,210² ) Which one of the following is correct in respect of the Question and the Statements? Statement 1: The sum of the terms in the last group is 804660. Statement 2: There are 20 groups in all. Statement 3: The sum of all the terms till the last but one group is 2304415.Solution
The correct answer is D
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