1.

Statement - 1 : The sum of the series 1+ ( 1+2+4) + ( 4+6+9) + ( 9+ 12+ 16) + ... + ( 361 + 380 + 400) is 8000 Statement-2: sum_(k=1)^(n) [ k^(3) - (k-1)^(3) ]= n^(3), for any natural number 'n'

Answer»

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

Answer :D


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