Question

The number of ways in which three distinct numbers in ap can be selected from 1, 2, 3, ____, 24 is

Answer 1

a=1

a+d= 1+1=2

a+2d= 1+2×1=3

a+3d= 1+3×1=4

the next three trem of ap=( 1,2,3,4,5,______24)