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Statement-1 : The variance of first n even natural numbers is (n^(2)-1)/(4) Statement-2 : The sum of first n natural number is (n(n+1))/(2) and the sum of the squares of first n natural number is (n(n+1)(2n+1))/(6).

Answer»

Statement-1 is TRUE, statement-2 is true, statement-2 is a CORRECT EXPLANATION for statement-10
Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-10
Statement-1 is true, statement-2 is FALSE
Statement-1 is false, statement-2 is true

Answer :D


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