The first term of a geometric progression (G.P) is 3 and the 5th term is 48. Find the common ratio.
A
2
B
4
C
8
D
16
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
T\(_5\) = ar\(^4\)
\(\frac{48}{3} = \frac{3r^4}{3}\)
16 = r\(^4\)
r = \(4\sqrt{16}\)
= 2
Source: Myschool Past Questions Archive (Record #58292)