Question

Statement-1 : The variance of first n even natural numbers is (n² - 1)/4
Statement-2 : The sum of first n natural numbers is n(n + 1)/2 and the sum of squares of first n natural numbers is (n(n + 1)(2n + 1))/6

(a) Statement-1 is true, Statement-2 is true; Statement-2 is not a correct explanation for Statement-1 
(b) Statement- 1 is true, Statement-2 is false 
(c) Statement-1 is false, Statement-2 is true 
(d) Statement-1 is true, Statement-2 is true; Statement-2 is correct explanation for Statement-1

Answer 1

(c) : Sum of first n even natural numbers