GMAT® Official Guide 2019 Quantitative Review
PS14397- On a certain day, a bakery produced a batch of rolls at
a total production cost of $300. On that day,.± of the
5
rolls in the batch were sold, each at a price that was
50 percent greater than the average (arithmetic mean)
production cost per roll. The remaining rolls in the
batch were sold the next day, each at a price that was
20 percent less than the price of the day before. What
was the bakery's profit on this batch of rolls?(Al $150
(Bl $144
(Cl $132
(D) $108
(El $90
PS05972- A set of numbers has the property that for any number
tin the set, t + 2 is in the set. If -1 is in the set, which
of the following must also be in the set?
I. -3
II.
Ill.(Al
(Bl
(Cl
(D)
(El
PS047801
5I only
II only
I and II only
II and Ill only
I, II, and Ill- A couple decides to have 4 children. If they succeed in
having 4 children and each child is equally likely to be a
boy or a girl, what is the probability that they will have
exactly 2 girls and 2 boys?
(Al(Bl(Cl(D)(El3
8
1
4
3
16
1
8
1
16PS01564- The closing price of Stock X changed on each trading
day last month. The percent change in the closing
price of Stock X from the first trading day last month
to each of the other trading days last month was less
than 50 percent. If the closing price on the second
trading day last month was $10.00, which of the
following CANNOT be the closing price on the last
trading day last month?
(Al $3.00
(Bl $9.00
(Cl $19.00
(D) $24.00
(El $29.00PS02389- In the figure above, point O is the center of the circle
and OC =AC= AB. What is the value of x?
(Al 40
(Bl 36
(Cl 34
(D) 32
(El 30
PSl6967- An airline passenger is planning a trip that involves
three connecting flights that leave from Airports A, B,
and C, respectively. The first flight leaves Airport A
every hour, beginning at 8:00 a.m., and arrives at
Airport B 2 ½ hours later. The second flight leaves
Airport B every 20 minutes, beginning at 8:00 a.m., and
arrives at Airport C 1 ¼ hours later. The third flight leaves
Airport C every hour, beginning at 8:45 a.m. What is the
least total amount of time the passenger must spend
between flights if all flights keep to their schedules?
(Al 25 min
(Bl 1 hr 5 min
(Cl 1 hr 15 min
(D) 2 hr 20 min
(El 3 hr 40 min