Question

5 numbers in AP whose sum is 25 by 2 and the ratio of the first to last 2:3

Answer 1

5 nos.=a-2d,a-d,a,a+d,a+d
a-2d+a-d+a+a+d+a+2d=25/2
5a=25/2
a=5/2

a-2d/a+2d=2/3
3(a-2d)=2(a+2d)
3a-6d=2a+4d
a=10d
5/2=10d
d=4
AP= 5/2,13/2,21/2,29/2.........