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Tardigrade
Question
Mathematics
Find 4th term from the end of the G.P. 3, 6, 12, 24., .........., 3072.
Q. Find
4
t
h
term from the end of the G.P. 3, 6, 12, 24., .........., 3072.
3192
195
Sequences and Series
Report Error
A
348
14%
B
843
21%
C
438
15%
D
384
50%
Solution:
Clearly, the given progression is a G.P. with common ratio r = 2.
∴
4
t
h
term from the end
=
ℓ
(
r
1
)
4
−
1
=
(
3072
)
(
2
1
)
4
−
1
=
384