OG10 PS Quiz 9 2x
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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
Question 1 of 9
A club sold an average (arithmetic mean) of 92 raffle tickets per member. Among the female members, the average number sold was 84, and among the male members, the average number sold was 96. What was the ratio of the number of male members to the number of female members in the club?CorrectIncorrect
Question 2 of 9
How many bits of computer memory will be required to store the integer x, where x = – √810,000, if each digit requires 4 bits of memory and the sign of x requires 1 bit?CorrectIncorrect
Question 3 of 9
Ms. Adams sold two properties, X and Y, for $30,000 each. She sold property X for 20 percent more than she paid for it and sold property Y for 20 percent less than she paid for it. If expenses are disregarded, what was her total net gain or loss, if any, on the two properties?CorrectIncorrect
Question 4 of 9
How many positive integers less than 20 are either a multiple of 2, an odd multiple of 9, or the sum of a positive multiple of 2 and a positive multiple of 9 ?CorrectIncorrect
Question 5 of 9
√463 is betweenCorrectIncorrect
Question 6 of 9
A company accountant estimates that airfares next year for business trips of a thousand miles or less will increase by 20 percent and airfares for all other business trips will increase by 10 percent. This year total airfares for business trips of a thousand miles or less were $9,900 and airfares for all other business trips were $13,000. According to the accountant’s estimate, if the same business trips will be made next year as this year, how much will be spent for airfares next year?CorrectIncorrect
Question 7 of 9
lf x y = x∗y – 2(x + y) for all integers x and y, then 2∗(-3) =CorrectIncorrect
Question 8 of 9
In a nationwide poll, N people were interviewed. If 1/4 of them answered “yes” to question 1, and of those, 1/3 answered “yes” to question 2, which of the following expressions represents the number of people interviewed who did not answer “yes” to both questions?CorrectIncorrect
Question 9 of 9
In 1986 the book value of a certain car was 2/3 of the original purchase price, and in 1988 its book value was 1/2 of the original purchase price. By what percent did the book value of this car decrease from 1986 to 1988?CorrectIncorrect