1.

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

Answer»

Statement-I is TRUE, Statement-II is true, Statement -II is not a CORRECT EXPLANATION for statement - I
Statement-I is true, Statement-II is false
Statement-I is false, Statement-II is true
Statement-I is true, Statement-II is true, Statement -II is a correct explanation for statement - I

Answer :C


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