Question

which term of the ap: 3,8,13,18,........ is 78??​

Answer 1

Answer:

16th term of A.P is 78

Step-by-step explanation:

a=3

d=8-3=5

Tn=78 n=?

Tn=78

a+(n-1)d=78

3+(n-1)5=78

(n-1)5=78-3

(n-1)5=75

n-1=15

n=16

Answer 2

Answer:

which class answer is this.

Step-by-step explanation:

Sry I don't no