OG10 PS Quiz 15 2x
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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.
- 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!
- 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.
- 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.
- 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.
- 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.
Answer key:
1. D
2. C
3. D
4. C
5. B
6. B
7. C
8. B
9. B
10. D
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- Current
- Review
- Answered
- Correct
- Incorrect
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Question 1 of 10
1. Question
In how many arrangements can a teacher seat 3 girls and 3 boys in a row of 6 seats if the boys are to have the first, third, and fifth seats?
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Question 2 of 10
2. Question
A circular rim 28 inches in diameter rotates thesame number of inches per second as a circular rim35 inches in diameter. If the smaller rim makes x revolutions per second, how many revolutions perminute does the larger rim make in terms of x?
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Question 3 of 10
3. Question
The cost C of manufacturing a certain product canbe estimated by the formula C = 0.03rst², where r and s are the amounts, in pounds, of the two major ingredients and r is the production time, in hours. If r is increased by 50 percent, s isincreased by 20 percent, and t is decreased by 30 percent, by approximately what percent willthe estimated cost of manufacturing the productchange?
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Question 4 of 10
4. Question
Reggie purchased a car costing $8,700. As a down payment he used a $2,300 insurance settlement, and an amount from his savings equal to 15 percent of the difference between the cost of the car and the insurance settlement. If he borrowed the rest of the money needed to purchase the car, how much did he borrow?
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Question 5 of 10
5. Question
According to the table above, the number of fellows was approximately what percent of the total membership of Organization X?CorrectIncorrect -
Question 6 of 10
6. Question
Lucy invested $10,000 in a new mutual fund account exactly three years ago. The value of the account increased by l0 percent during the first year, increased by 5 percent during the second year, and decreased by 10 percent during the third year. What is the value of the account today?
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Question 7 of 10
7. Question
A certain bakery has 6 employees. It pays annual salaries of $14,000 to each of 2 employees, $16,000 to 1 employee, and $17,000 to each of the remaining 3 employees. The average (arithmetic mean) annual salary of these employees is closest to which of the following?
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Question 8 of 10
8. Question
A computer chip manufacturer expects the ratio of the number of defective chips to the total number of chips in all future shipments to equal the corresponding ratio for shipments S1, S2, S3, and S4 combined, as shown in the table above. What is the expected number of defective chips in a shipment of 60,000 chips?CorrectIncorrect -
Question 9 of 10
9. Question
A = {2, 3, 4, 5}
B = {4, 5, 6, 7, 8}Two integers will be randomly selected from the sets above, one integer from set A and one integer from set B. What is the probability that the sum of the two integers will equal 9?
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Question 10 of 10
10. Question
p, r, s, t, u
An arithmetic sequence is a sequence in which each term after the first is equal to the sum of the preceding term and a constant. If the list of numbers shown above is an arithmetic sequence, which of the following must also be an arithmetic sequence?
I. 2p, 2r, 2s, 2t, 2u
ll. p – 3, r – 3, s – 3, t – 3, u – 3
III. p², r², s², t², u²CorrectIncorrect