Question

The fourth term for the end of an AP -11,-8,-5........49is

Answer 1

Answer: -20

Step-by-step explanation:

d=-3

a4=a+3d

a4=-11+3*-3

a4=-20

Answer 2

Answer:

The answer is 40.

Step-by-step explanation:

a = -11

d = 3

l = 49

nth term from last = $l+(n-1)(-d)$

4th term from last = $49+(3*-3)$

$=49-9$

$=40$

Hence, the answer is 40.