Question

fiiiiiinnnnnnnnnnnndddddddddddd

Answer 1

hey your ans will be 25
$hope \: it \: helps$

Answer 2

Hey Mate
Here is ur answer

First term (a) = 25
20th term (a20) = 500
no. of tems (n) = 20
common difference (d)=?

a20 = a + (n-1)d
500= 25 + (20-1)d
500-25= 19d
475=19d
475/19= d
25=d

Common difference is 25.

Hope this answer helps u ☺☺