Correct Answer - Option 3 : 5
Given :
4 consecutive numbers are in G.P
Concept used:
For number in G.P common ratio is same like
a, ax, ax², ax³ in this series ratio is x.
Calculations:
Let the numbers be a, ax, ax² and ax³
According to the question
a × ax × ax² × ax³ = 625
At x = 1
⇒ a⁴ = 625 = 5⁴
⇒ a = 5
∴ The correct choice will be option 3.