The sum of numbers in the `n^(th)` group of the following `(1,3), (5,7,9,11), (13,15,17,19,21,23),..` is

Natural numbers have been divided into groups in the following way: 91,3),(5,7,9,11),(13,15,….,23),…….. Show that the sum of numbers in the nth group is 4n^3

Natural numbers have been divided into groups in the following way: 91,3),(5,7,9,11),(13,15,….,23),…….. Show that the sum of numbers in the nth group is 4n^3

Find the median of the following data: 5,7,9,11,15,17,2,23 and 19

The odd numbers are divides as follows : {:(,,1,3,,),(,5,7,9,11,),(13,15,17,19,21,23):} "…………………………………………………….." then the sum of nth row is :

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

Estimate mean deviation and its coefficient from the following data: 7,9,13,13,15,17,19,21,23

Find the sum upto the nth term of the series (1+3) + (5+7+9+11) + (13 +15+17+19+21+23)+… .

Find the domain and range of the following relation R={(1,3),(1,5),(1,7),(1,9)}