Geometric progression

The 3rd and 6th element of a G.P are 3 and 81 respectively , find the first element and common ratio of the G.P
a= 1/3 ; r= 3
a= 1; r= 6
a= 2/3 ; r= 1/2
a= 4, r= 2/3
Find the 9th element of the G.P whose 4th term is 1 and 7th is 1/8
1/6
1/8
1/32
1/16
the third element of a G.P . is the square of the first and fifth element is 64, find the G.P
4, 8, 16, 32
2, 4, 6, 8
6, 12, 18, 24
8, 16, 24, 36
if the three numbers (x+9) , (x-6) , 4 are the first three elements of a G.P .. find x.
x= 4
x= 7
x= 16
x= 8
find the sum of how many elements of the G.P 1, 3, 9,... will be 9841?
n = 10
n = 3
n= 9
n = 7
How many terms are there in the G.P 5, 20, 80, 320...... 20480?
5
6
7
8
if the fifth term of a G.P is 81 and first term is 16, what will be the 4th term of the G.P ?
36
18
54
24
Let the multiple of the 3 consecutive terms in GP be 8 then middle of those 3 terms would be
2
3
4
179
The 5th term of the G.P 3, 6, 12,... is
15
48
2
3
Find the first 3 terms of a G.P if a= 4 and r= 2
4, 8, 16
4, 12, 16
4, 8 , 18
4, 8, 12
find the fifth term of the G.P 3/2 , 3/4 , 3/8 .....
3/ 16
3/20
3/32
3/12
The first term of the G.P is 25 and 6th term is 800. find the seventh term
1800
1200
1600
1400
Find the sum of first 6 terms of the G.P 3, 6, 12,....
189
289
389
489
find the 8th term of the sequence ¾, 1½, 3 ......
46
86
96
26
Find the 10th term of the G.P .12, 4, 1⅓
⅘
4/26
4/97
4/6561
0
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