The odd positive numbers are written in the form of a triangle `1 3 5 7 9 11 13 15 17 19` find the sum of terms in nth row

The odd positive numbers are written in the form of a triangle 135791113151719 find the sum of terms in nth row

The inter - quartile range of the data 1, 3, 5, 7, 9, 11, 13, 15, 17, 19

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19

Without adding, find the sum: 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17 +19

The sequence of odd natural numbers is divided into groups 1,3,5,7,9,11,"…." and so on. Show that the sum of the numbers in nth group is n^(3) .

The sequence of odd natural numbers is divided into groups 1,3,5,7,9,11,"…." and so on. Show that the sum of the numbers in nth group is n^(3) .

The sequence of odd natural numbers is divided into groups 1,3,5,7,9,11,"…." and so on. Show that the sum of the numbers in nth group is n^(3) .

The sequence of odd natural numbers is divided into groups 1,3,5,7,9,11,"…." and so on. Show that the sum of the numbers in nth group is n^(3) .