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WorksheetsQ1: REMEDIAL TEST
Total questions: 21
Worksheet time: 20mins
1. Narisa wants to find the fifth term of a sequence -12 ,-7, -2, -3 which concept will you suggest to be used?
Arithmetic Sequence
Geometric Sequence
Fibonacci
Harmonic
Which of the following is an arithmetic sequence?
21, 18, 15,…
-6, -2, 2…
4, 2, 0
80, 20, 5…
Which among the following is NOT a geometric sequence?
5, 10, 20, 40
-11, 22, -44, 88
2, 6, 18, 54
3, 8, 13, 18
If 1, -1/2, ¼, -1/8 is a geometric sequence, what is the common ratio?
1/2
-1/2
1/4
-1/4
In the sequence 1, 4, 7, 10, 13, 16, what is the common difference?
3
4
-3
-4
An r in the geometric sequence is referred to a common ratio, which among the following best describes it?
It is the fixed amount multiplied
To find the common ratio, divide the second term by the first term.
It cannot be equal to zero.
All of the above.
The following are examples of Fibonacci sequence EXCEPT:
0, 1, 1, 2, 3, 5
2, 3, 5, 8, 13
192, 16, 208, 224
1, 4, 7, 10, 13
8. Which among the following is the harmonic sequence of a sequence 3, 8, 13, 18?
-3, -8, -13, -18
1/3, 1/8, 1/13, 18
3.0, 8.0, 13.0
NONE OF THE ABOVE
What is the fiftieth term of the arithmetic sequence 3, 7, 11, 15…?
59
151
199
203
10. What is the twentieth term of the arithmetic sequence 21, 18, 15, 12, ... ?
-39
-36
1
78
11. What is the sum of the first sixteen terms of the arithmetic sequence 1, 5, 9, 13. ?
62
496
528
992
12. What is the 5th term for the sequence 3, 6, 12, 24…..?
36
40
48
52
13. What is the common difference of the sequence 3, 11, 19, 27, 35?
-8
8
-14
14
14. What is the next term of the sequence 3, 4, 7, 11, 18, 29?
46
47
48
49
15. A display of cans on a grocery shelf consists of 20 cans on the bottom, 18 cans in the next row, and so on in an arithmetic sequence, until the top row has 4 cans. How many cans, in total, are in the display?
100
108
116
124
16. . Given the geometric sequence 100, 50, 25,..., find the 6th term.
25/3
25/4
25/6
25/8
Given the geometric sequence 5, 10, 20,... find the 8th term.
620
630
640
650
Insert one geometric mean between 2 and 18.
0
2 or -2
6 or -6
12 or -12
19. Find the harmonic mean between 1/5 and 1/35.
20
1/20
10
1/10
Does this infinite geometric sequence 2, -8, 32,... exist?
Yes it exist.
No, it has no sum.
None of the choices.
GRADE 10, What is your SECTION?
(a)
