[" The natural numbers are divided into "],[" groups "1,(2,3),(4,5,6)],[(7,8,9,10)...;" then the sum of the "],[" numbers in the "50^(th)" group is "]

If the natural numbers are divided into the groups (1),(2,3),(4,5,6),(7,8,9,10) .. then the sum of the elements of 25^(th ) group is

The series of natural numbers is divided into groups asfollows; (1),(2,3),(4,5,6),(7,8,9,10) and so on. Find the sum of the numbers in the n^(t)h group is

Natural numbers are divided into groups in the following way: 1,(2,3),(4,5,6),(7,8,9,10), Show that the sum of the numbers in the nth group is (n(n^2+1))/2

The series of natural number is divided into groups as follows , (1), (2,3),(4,5,6),(7,8,9,10) and so on. Find the sum of the number in the nth group is

The series of natural numbers is divided into groups: (1);(2,3,4);(5,6,7,8,9)... and so on.The sum of numbers in the n^(th) group is

The series of natural numbers is divided into groups :(1);(2,3,4);(5,6,7,8,9)... and so on. The sum of numbers in the n^(th) group is

The series of natural numbers is divided into groups :(1);(2,3,4);(5,6,7,8,9)... and so on. The sum of numbers in the n^(th) group is