Question

The sum of first 5 terms of an ap is 50 and that of next 3 is 16 . Find the progression

Answer 1

S5=50
S8-S5=16
S8= 50+16=66
S5= 5/2 (2a+ 4d)
S8=8/2 (2a+7d)
a+2d10--- i
2a+7d=33/2-----ii
d= -7/6
a=37/3
ap= 37/3 , 67/6 , 10......