Reminder Set 2 Untimed

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Reminder Set 2 Untimed

By andrew@atlanticgmat.com / November 15, 2016

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———————————————————————————-REVIEW INSTRUCTIONS——————————————————————————————

Thorough review is critical to the learning process and for most people should take a significant amount of time (and effort!) potentially equally or surpassing the amount of time taken to do the question set.
1. Redo questions that you got wrong or struggled on without looking at the answers or explanations. Think. Rethink. Push yourself. Put pen to paper. Don’t review with only your eyes!
2. Once you’ve solved or if you aren’t able to solve in about 10 minutes carefully review the explanation (if provided). Again, put pen to paper and redo the question along with the explanation.
3. If we haven’t provided an explanation or if our explanation didn’t clear up your doubts google the first few words of the question and confirm the solution on the GMAT forums.
4. Except for CR and RC, take a screenshot and add it to your dropbox review folder so you can easily revisit the question when assigned review in your HW schedule.
5. Bring questions that you still find difficult to QA or to our sessions. For sessions add the screenshots to the “review in session” folder in your dropbox.
Here’s a video outlining the review process: https://www.youtube.com/edit?o=U&video_id=X6k3niNoGuA

This is a crucial part of the preparation so let’s make sure we get it right. If you have any questions contact andrew@atlanticgmat.com or luciano@atlanticgmat.com.

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Question 1 of 12

1. Question
In a certain function, if X is odd then f(x) = $$-3^x$$, if X is even then f(x) = $$-2^x$$. f($$(4^5)$$ = ?
- $$-2^{10}$$
- $$\displaystyle\frac{-1}{2^{1024}}$$
- $$-2^{1024}$$
- 1024
- $$2^{1024}$$
Correct

Incorrect
Question 2 of 12

2. Question
If set M contains only positive integers, what is the range of set M?

(1) The difference between the greatest number and the least number in set M is 6

(2) The range of the squares of set M is 48
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 3 of 12

3. Question
There is a total of 22 boys in the freshman class and 16 of the students in the freshman class are enrolled in calculus. How many of students are in the freshmen class?

(1) There are twice as many boys in the freshman class enrolled in calculus as there are girls in the freshman class not enrolled in calculus

(2) Of the girls in the class 6 are enrolled in calculus
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 4 of 12

4. Question
Country A produces twice as much pollution as country B does. However, the countries produce an equal amount of pollution from automobile exhaust. If X% of country A’s pollution comes from automobile exhaust then in terms of X, what percent of country B’s pollution comes from automobile exhaust?
- 5X
- $$\displaystyle\frac{5X}{2}$$
- $$\displaystyle\frac{5X}{3}$$
- $$\displaystyle\frac{5}{2X}$$
- $$\displaystyle\frac{5}{3X}$$
Correct

Incorrect
Question 5 of 12

5. Question
$$\displaystyle1+K+K^2+K^3<\frac{1}{k-1}$$

(1) K is even

(2) K is a prime number
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 6 of 12

6. Question
If K and Z are positive, what is the value of $$\sqrt{K+Z}$$

(1) $$\sqrt{K}-\sqrt{Z}=1$$

(2) $$\sqrt{K}+\sqrt{Z}=5$$
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 7 of 12

7. Question
Square S is inscribed in circle O so that the greatest distance (without crossing through the square) from a side of square S to the circumference of circle O is $$\sqrt{2}$$. What is the perimeter of square S?
- $$8(1-\sqrt{2})$$
- $$8(1+\sqrt{2})$$
- $$8(2+\sqrt{2})$$
- $$16(1-\sqrt{2})$$
- $$16(1+\sqrt{2})$$
Correct

Incorrect
Question 8 of 12

8. Question
Raj adds a certain number of grams of sulfur to a beaker on each of 20 days. After the first day, he adds 3 additional grams on each successive day. If after the 20 days there are 1237 grams of sulfur in the beaker, how many grams of sulfur did Raj add on the 7th day?
- 77
- 85
- 96
- 102
- 112
Correct

Incorrect
Question 9 of 12

9. Question
Company Z has only two divisions, A and B, with employees in only one of the two. If the range of salaries for employees in company Z is $27,000, what is the range of salaries for the employees in division A?

(1) In company Z, the employee with the highest salary is in division A

(2) In company Z, the range of salaries for the employees in division B is $27,000
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 10 of 12

10. Question
$$\displaystyle2^m\times3^m>1200$$?

(1) $$\displaystyle2^{m-1}>38$$

(2) $$\displaystyle3^{m+1}>78$$
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect
Question 11 of 12

11. Question
A security company is installing a new monitoring system. The security code to access the monitoring system is made up of four digits chosen from the numbers 0, 1, 3, 5, and 6. If the code must be divisible by five and cannot start with zero, then how many possible codes can be created?
- 42
- 100
- 200
- 250
- 500
Correct

Incorrect
Question 12 of 12

12. Question
The ages of three siblings are consecutive even integers. How old is the oldest of the three siblings?

(1) In ten years the average age of the three siblings will be 2.25 times the current average.

(2) In four years the youngest sibling will be 10 years old.
- (A) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- (B) Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- (C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- (D) EACH statement ALONE is sufficient.
- (E) Statements (1) and (2) TOGETHER are NOT sufficient.
Correct

Incorrect

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Reminder Set 2 Untimed

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