ASSESSMENT 1.1
ARITHMETIC SEQUENCE


Read the questions carefully and write the letter of the correct answer before the number of each item.

1. What is the 8th term of the arithmetic sequence 8, 12, 16, 20?
A. 28
B. 32
C. 36
D. 40

2. Which of the following illustrates an arithmetic sequence?
A. 3, 6, 12, 24,48, …
B. 1, 1, 2, 3, 5, …
C. 2, 4, 6, 8,10, …
D. 4, 9, 16, 25, 36,

3. What is the 11th term of the arithmetic sequence 11, 18, 25, 32?
A. 67
B. 74
C. 81
D. 88

4. What is the common difference of the sequence 11, 19, 27, 35?
A. 6
B. 7
C. 8
D. 9

5. What are the sequence if we insert three arithmetic means between 4 and 56?
A. 4, 16, 26, 36, 56
B. 4, 17, 27, 37, 56
C. 4, 18, 28, 38, 56
D. 4, 17, 30, 43, 56

6. What is the common difference of the sequence inserted three arithmetic means between 4 and 56.
A. 13
B. 14
C. 15
D. 16

7. What is the common difference of the sequence inserted four arithmetic means between 5 and 45?
A. 6
B. 7
C. 8
D. 9

8. What are the sequence if we insert four arithmetic means between 5 and 45?
A. 5, 13, 21, 29, 37, 45
B. 5, 11, 17, 23, 29, 45
C. 5, 10, 19, 26, 34, 45
D. 5, 12, 18, 24, 30, 45

9. If three arithmetic means are inserted between 11 and 39, find the second arithmetic mean.
A. 18
B. 25
C. 32
D. 46

10. What is the common difference if four arithmetic means are inserted between 5 and 40?
A. 5
B. 7
C. 9
D. 11​