Question

if for an a.p a = 7, d=2 then t10 = A) 35, B) 30, C) 6.75 D) 0.865

Answer 1

Answer:

30 is answer I think so, please check it

Answer 2

Answer:

Correct option is C)

Step-by-step explanation:

It is given that,

d=5

Now,

tn =a+(n−1)d

t18 ​ −t13 =(a+(18−1)d)−(a+(13−1)d)

(a+17d)−(a+12d)

=5d

=5(5)

=25