Find the sum of all the 11 terms of an AP whose middle most term is 30.

Dear Student

Given
middle most term = 30
6^thterm = 30
let middle most term i.e 6^th term ,a=30
then AP will be a-5d,a-4d,a-3d,a-2d,a-d,a,a+d …...a+5d

Sum of all terms = 11a
sum = 330

Thanks