# GRE Quantitative Reasoning - Sequences and Series: Tutoring Solution Chapter Exam

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### Page 1

#### Question 1 1. If a2 = 5 and a8 = 35, what is the value of a30?

#### Question 2 2. Which of the following sequences is NOT geometric?

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Question 3
3.
What is the rule for the *n*th term of the sequence with a7 = 53 and a13 = 101?

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Question 4
4.
Which of the following would be the 14th term of the sequence below?

11, 22, 44, 88, 176, ...

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Question 5
5.
Which of the following is a logic proposition?

A: Sam only eats square foods

B: Once upon a time

C: Circles roll

### Page 2

#### Question 6 6. Which group of numbers does not appear to be a sequence with a set pattern?

#### Question 7 7. Which choice below represents an arithmetic series?

#### Question 8 8. Choose the equation below that represents the rule for the nth term of the following geometric sequence: 128, 64, 32, 16, 8, ...

#### Question 9 9. What is the sum of the arithmetic series 106 +100 + 94 + ... + 28 + 22?

#### Question 10 10. Which rule represents the nth term in the sequence 9, 16, 23, 30...?

### Page 3

#### Question 11 11. If x = 1 and y = 2, what can be said about z if z = xy?

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Question 12
12.
If the following two propositions are true, which is a true statement?

Theresa loves dogs.

Spot is a dog.

#### Question 13 13. Which equation below represents a geometric sequence?

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Question 14
14.
If a = c and b = c, what kinds of new statements can you make?

A: If a = c and b = c, then a = b.

B: If a = 1, then b = 1.

C: If b = 2, then a = 1.

#### Question 15 15. A brick wall contains 52 bricks in its bottom row and 49 bricks in the next row up from the bottom row. Each subsequent row contains 3 fewer bricks than the row immediately below it. If the wall contains 16 rows, how many bricks total make up the wall?

### Page 4

#### Question 16 16. What is the 83rd term of the sequence 91, 87, 83, 79...?

#### Question 17 17. If 55 and 89 are two sequential terms of the Fibonacci sequence, what term would come next?

#### Question 18 18. Triangles have 180 degrees in total, and squares are two triangles put together. What can you say about the total degrees of a square?

#### Question 19 19. A brick wall has 60 bricks in the first row, but each row has 3 fewer bricks than the previous one. How many bricks are in the 12th row?

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Question 20
20.
In the sequence 9, 14, 19, 24, 29,.... Say we're using *a* to describe the terms. What is the value of the term below?

### Page 5

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Question 21
21.
What is the rule for the *n*th term of the geometric sequence if the third term is 96 and the fifth term is 1,536?

#### Question 22 22. What is the most specific term that describes the numbers 5, 10, 15, 20, 25, ...?

#### Question 23 23. Which sequence below is a geometric sequence?

#### GRE Quantitative Reasoning - Sequences and Series: Tutoring Solution Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!