Processing math: 54%
Home / Aptitude Tests / Further Mathematics / The 3rd and 6th term...
The 3rd and 6th terms of a geometric progression (G.P.) are ...

The 3rd and 6th terms of a geometric progression (G.P.) are 83 and 6481 respectively, find the common ratio.

A.

13

B.

23

C.

34

D.

43

Correct answer is B

Tn=arn1 (for a geometric progression)

T3=ar31=ar2=83

T6=ar61=ar5=6481

Dividing T6 by T3,

ar5ar2=648183r3=827