Question

Find the 10th term from the last term of the



a.P.3,8,13.....253.

Answer 1

its given 10th term from last

so here

a=253

d=-5

n=10

by applying the formula

añ=a+(n-1)d

so here a10=a+9d

a10= 253+9(-5)

253-45=208

hence a10=208