Solution:-let say first five term of the AP
a-2d,a-d,a,a+d,a+2d
According to Question,
S5=60
so, a-2d+a-d+a+a+d+a+2d=60
⇒5a=60
⇒a=12
Given that Sum of first 5 terms of arithmetic progression is 60 .
so S5=60
we know that Sn=n/2(a+an)
use this formula,
5/2(a+an)=60
a+an=60×2/5
an=24-a