Question

Find the 20 th term from the last term of AP : 3,8,13....248​

Answer 1

Answer:

20th term of this ap is 98

Step-by-step explanation:

ap=3,8,13,.....248

given- a=3

d=a2-a¹

d=8-3=5

n=20

an=a+(n-1)×d

an=3+(20-1)×5

an=3+19×5

an=3+95an=98

20th term of ap is 98