Question

Find the 20 th term from the last term of AP : 3,8,13....247. ​

Answer 1

Step-by-step explanation:

Here, last term of AP is 247

n=20, a=3 and d=5

then 20th term from last=

=l-(n-1) ×d

=247-(20-1)×5

=247-95

=152