Question

The 8th term of g.P. Is 27 times of the 5th term. What will be the first term, if its 3rd term is 54

Answer 1

Step-by-step explanation:

Let the series be a,ar,ar

⟹ar6=8ar3

r3=8

⟹r=38

r=2

⟹ar4=48

a(2)4=48

16a=48

⟹a=3

So the series is 

3,3×2,3×22⟹3,6,12