Question

answer me plz fast
​

Answer 1

Hey mate,....

Answer:-

Here,

n=25

(a1 + a25)/2 = 20

=(a1 + a25)= 40

sum of ap =n(a1+a25)/2

=25*40/2

=1000/2

= 500.

Hope it will help you.

✨ It's M.S.V.

Answer 2

Answer

n=25

(a1 + a25)/2 = 20

(a1 + a25)= 40

sum of ap =n(a1+a25)/2

=25 × 40/2

=1000/2

= 500