GMAT® Official Guide 2019 Quantitative Review
0S10383- During a certain bicycle ride, was Sherry's average
speed faster than 24 kilometers per hour?
(1 kilometer= 1,000 meters)
(1) Sherry's average speed during the bicycle ride
was faster than 7 meters per second.
(2) Sherry's average speed during the bicycle ride
was slower than 8 meters per second.
DS13907- Working together, Rafael and Salvador can tabulate a
certain set of data in 2 hours. In how many hours can
Rafael tabulate the data working alone?
(1) Working alone, Rafael can tabulate the data in
3 hours less time than Salvador, working alone,
can tabulate the data.
(2) Working alone, Rafael can tabulate the data in
l. the time that Salvador, working alone, can
2
tabulate the data.
DS04039- If x and y are integers, what is the value of x?
(1) XY= l
(2) X,tc-lLNote: Figure not drawn to scale.DS18386- The figure above shows Line L, Circle 1 with center at
C 1 , and Circle 2 with center at C 2. Line L intersects
Circle 1 at points A and B, Line L intersects Circle 2 at
points O and E, and points C 1 and C 2 are equidistant
from line L. Is the area of 6ABC 1 less than the area of
6DEC2?
(1) The radius of Circle 1 is less than the radius of
Circle 2.
(2) The length of chord AB is less than the length of
chord DE.DS15938- Yesterday between 9:00 a.m. and 6:00 p.m. at
Airport X, all flights to Atlanta departed at equally
spaced times and all flights to New York City departed
at equally spaced times. A flight to Atlanta and a
flight to New York City both departed from Airport X
at 1 :00 p.m. yesterday. Between 1 :00 p.m. and
3:00 p.m. yesterday, did another pair of flights to
these 2 cities depart from Airport X at the same time?
(1) Yesterday at Airport X, a flight to Atlanta and a
flight to New York City both departed at 10:00 a.m.
(2) Yesterday at Airport X, flights to New York City
departed every 15 minutes between 9:00 a.m.
and 6:00 p.m.
DS07206 - Of the total number of copies of Magazine X sold last
week, 40 percent were sold at full price. What was the
total number of copies of the magazine sold last week?
(1) Last week, full price for a copy of Magazine X
was $1. 50 and the total revenue from full-price
sales was $112,500.
(2) The total number of copies of Magazine X sold
last week at full price was 75,000.
DS11614 - If p, s, and tare positive, is IPS -p~ > p(s -t)?
(1) p < s
(2) s < t
DS04468 - Is x > y?
(1) x+y>x-y
(2) 3x > 2y
DS17588- In the figure above, AB, which has length z cm,
is tangent to the circle at point A, and BO, which
has length y cm, intersects the circle at point C. If
BC= x crn and z = Jxy, what is the value of x?
(1) CD,=xcm
(2) z = 5-J2_