Question

if the common difference D = 24 and the 5th term A5 is 24 then find the first term

Answer 1

I can't understand you this types of questions?

Answer 2

5th term A5 = first terrm A1 + 4xcommon difference d

24 = A1 + 4x24
A1 = 24 - 96
= 72

So first term is 24