GMAT Prep 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 20
Of the 800 employees of Company X, 70 percent have been with the company for at least ten years. If y of these “long-term” members were to retire and no other employee changes were to occur, what value of y would reduce the percent of “long-term” employees in the company to 60 percent?CorrectIncorrect
Question 2 of 20
If $1,000 was invested at an annual interest rate of 5.6 percent compounded annually, which of the following represents the amount the investment was worth after 3 years?CorrectIncorrect
Question 3 of 20
If n is a three-digit positive integer, what is the sum of the digits of n?
(1) The hundreds digit of n is 3 times the units digit.
(2) The hundreds digit of n is 3 more than the tens digit.CorrectIncorrect
Question 4 of 20
If w, x, y, and z are integers such that w/x and y/z are integers, is w/x + y/z
(1) wx + yz is odd.
(2) wz + xy is odd.CorrectIncorrect
Question 5 of 20
If r is the remainder when the positive integer n is divided by 7, what is the value of r?
(1) When n is divided by 21, the remainder is an odd number.
(2) When n is divided by 28, the remainder is 3.CorrectIncorrect
Question 6 of 20
Of the 200 members of a certain association, each member who speaks German also speaks English, and 70 of the members
speak only Spanish. If no member speaks all three languages, how many of the members speak two of the three
(1) 60 of the members speak only English.
(2) 20 of the members do not speak any of the three languages.CorrectIncorrect
Question 7 of 20
In 1984 a certain union had a total of 15,600 members. Was the percent increase in the total number of members in the
union from 1984 to 1985 greater than that from 1985 to 1986?
(1) From 1984 to 1985 the total number of members in the union increased by 781, and from 1985 to 1986 the total number
of members in the union again increased by 781.
(2) In 1985 the union had a total of 16,381 members, and in 1986 the union had a total of 17,162 members.CorrectIncorrect
Question 8 of 20
If \((2^x)(2^y)\) = 8 and \((9^x)(3^y)\) = 81, then (x, y) =CorrectIncorrect
Question 9 of 20
In May Mrs. Lee’s earnings were 60 percent of the Lee family’s total income. In June Mrs. Lee earned 20 percent more than in May. If the rest of the family’s income was the same both months, then, in June, Mrs. Lee’s earnings were approximately what percent of the Lee family’s total income?CorrectIncorrect
Question 10 of 20
For one toss of a certain coin, the probability that the outcome is heads is 0.6. If this coin is tossed 5 times, which of the following is the probability that the outcome will be heads at least 4 times?CorrectIncorrect
Question 11 of 20
For each order, a mail-order bookseller charges a fixed processing fee and an additional shipping fee for each book in the
order. Rajeev placed five different orders with this bookseller: an order for 1 book in January, an order for 2 books in
February, an order for 3 books in March, an order for 4 books in April, and an order for 5 books in May. What was the total of Rajeev’s processing and shipping fees for these five orders?
(1) Rajeev’s processing and shipping fees were \$1.00 more for his order in March than for his order in January.
(2) The total of Rajeev’s shipping fees for the five orders was \$7.50.CorrectIncorrect
Question 12 of 20
In the xy-plane, the line k passes through the origin and through the point (a,b), where ab ≠ 0. Is b positive?
(1) The slope of line k is negative.
(2) a < bCorrectIncorrect
Question 13 of 20
What is the result when x is rounded to the nearest hundredth?
(1) When x is rounded to the nearest thousandth the result is 0.455.
(2) The thousandths digit of x is 5.CorrectIncorrect
Question 14 of 20
On his drive to work, Leo listens to one of three radio stations, A, B, or C. He first turns to A. If A is playing a song he likes, he listens to it; if not, he turns to B. If B is playing a song he likes, he listens to it; if not, he turns to C. If C is playing a song he likes, he listens to it; if not, he turns off the radio. For each station, the probability is 0.30 that at any given moment the station is playing a song Leo likes. On his drive to work, what is the probability that Leo will hear a song he likes?CorrectIncorrect
Question 15 of 20
At a certain store, each notepad costs x dollars and each marker costs y dollars. If $10 is enough to buy 5 notepads and 3
markers, is $10 enough to buy 4 notepads and 4 markers instead?
(1) Each notepad costs less than $1.
(2) $10 is enough to buy 11 notepads.CorrectIncorrect
Question 16 of 20
The sum of the first 50 positive even integers is 2,550. What is the sum of the even integers from 102 to 200, inclusive?CorrectIncorrect
Question 17 of 20
A certain restaurant offers 6 kinds of cheese and 2 kinds of fruit for its dessert platter. If each dessert platter contains an equal number of kinds of cheese and kinds of fruit, how many different dessert platters could the restaurant offer?CorrectIncorrect
Question 18 of 20
A certain candy manufacturer reduced the weight of Candy Bar M by 20 percent but left the price unchanged. What was the resulting percent increase in the price per ounce of Candy Bar M ?CorrectIncorrect
Question 19 of 20
The integers m and p are such that 2 < m < p and m is not a factor of p. If r is the remainder when p is divided by m, is r > 1?
(1) The greatest common factor of m and p is 2.
(2) The least common multiple of m and p is 30.CorrectIncorrect
Question 20 of 20
Is \(x^4 + y^4 > z^4\)?
(1) \(x^2 + y^2 > z^2\)
(2) x + y > zCorrectIncorrect