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Middle School: 6th, 7th and 8th Grade
Math
Number Sequences - Geometric Sequences
Solution
Q.1.
Which series of numbers below is NOT a geometric sequence?
0%
4, 16, 64, 256, 1,024, 4,096
100%
17, 22, 27, 32, 37, 42, 47
0%
16, 32, 64, 128, 256, 512
0%
6, 36, 216, 1,296, 7,776
Q.2.
Which series of numbers below is a geometric sequence?
0%
2, 6, 10, 14, 18, 22, 26
12%
7, 15, 23, 31, 39, 47, 55
88%
4, 4.8, 5.76, 6.912, 8.2944, 9.95328
0%
1, 13, 25, 37, 49, 61, 73
Q.3.
In the following geometric sequence, which number is missing from the series? (3, 21, 147, 1,029, _____, 50,421)
0%
6,174
100%
7,203
0%
5,145
0%
8,232
Q.4.
In the following geometric sequence, determine what the constant number is. (4, 28, 196, 1,372, 9,604)
0%
6
88%
7
0%
8
12%
9
Q.5.
Which series of numbers below is a geometric sequence?
20%
4, 20, 36, 52, 68, 84, 100
0%
5, 12, 19, 26, 33, 40, 48, 55
20%
4.5, 14.5, 24.5, 34.5, 44.5, 55.5
60%
1, 3.5, 12.25, 42.875, 150.0625, 525.21875
Q.6.
In the following geometric sequence, which number is missing from the series? (2, 200, 20,000, 2,000,000, _____)
100%
200,000,000
0%
20,000,000
0%
200,000
0%
2,000
Q.7.
Which series of numbers below is a geometric sequence?
0%
10, 20, 30, 35, 45, 50, 60
17%
14, 15, 16, 17, 18, 19, 21, 22, 24, 25, 26
67%
-24, -480, -9,600, -192,000, -3,840,000
17%
48, 41, 34, 27, 21, 14, 7, 1
Q.8.
In the following geometric sequence, determine what the constant number is. (27, 54, 108, 216, 432, 864)
100%
2
0%
4
0%
6
0%
8
Q.9.
In the following geometric sequence, which number is missing from the series? (11, 33, 99, 297, _____, 2,673, 8,019)
0%
887
0%
889
0%
890
100%
891
Q.10.
Which series of numbers below is NOT a geometric sequence?
100%
8, 10, 12, 14, 16, 18, 20, 22
0%
3, 9, 27, 81, 243, 729
0%
5, 25, 125, 625, 3,125, 15,625
0%
2, 4, 6, 12, 24, 48, 96
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