Class 10 Maths (Arithmetic Progression), Find the sum of two middle most terms of AP: 28, 24,...-128

Maths Class 10 Chapter-5 Arithmetic Progression (AP) Most Important Question from AP Find the sum of two middle most terms of AP : 28, 24,....-128 ????Dear Students, We are to promote the value of learning by initiating the new era of learnin