Question

1) Find the 24" of the A.P 12,16,20,24​

Answer 1

solution :

a=12 , d=4 ,n=24

= an = a+(n-1)d

=an = 12+(24-1)4

= an = 12+23×4

=an = 12+92

= an = 104

then,

24th term of A.P is 104