Question

find the 11th term from the end of the AP 1/2 , 2 , 7/2 , 5, ........ , 44

Answer 1

In the AP 2 , 7/2 , 5, ........ , 44

a = 2

l = 44

d = 1.5 or 3/2

T11 from end =

l - (n-1)d

= 44 - (11-1)×1.5

= 44 - 15

= 29