← All sections
Data Sufficiency
Curated Data Sufficiency questions for GMAT preparation. Each question tests your ability to analyze quantitative problems and determine the sufficiency of provided information. ·Show:203050
N/A
If x is an integer, is (54 + 27)/x an integer ?
(1) 6 <= x <= 81
(2) x is a multiple of 3
N/A
What was Jean's insurance premium in 1995 ?
(1) The ratio of Jeanâs insurance premium in 1995 to her insurance premium in 1994 was 6/5.
(2) Jeanâs insurance premium in 1995 was 20 percent more than her insurance premium in 1994.
Sub 505 (Easy)
Three roommatesâBela, Gyorgy, and Janosâtogether saved money for a trip. The amount that Bela saved was equal to 8% of his monthly income. The amount that Gyorgy saved was exactly 1/3 of the total amount saved by all 3 roommates. What was the total amount saved for the trip by all 3 roommates?
(1) Bela had a monthly income of $2,000.
(2) Janos saved 1.5 times as much for the trip as Bela.
N/A
Is
x>y
?
(1) ax>ay
(2) a
2
âx>
a
2
ây
N/A
A rectangular floor that is 4 meters wide is to be completely covered with nonoverlapping square tiles, each with side of length 0.25 meter, with no portion of any tile remaining. What is the least number of such tiles that will be required?
(1) The length of the floor is three times the width.
(2) The area of the floor is 48 square meters.
N/A
Kay put 12 cards on a table, some faceup and the rest facedown. How many were put facedown?
(1) Kay put an even number of the cards faceup.
(2) Kay put twice as many of the cards faceup as she put facedown.
N/A
What is the number of 360-degree rotations that a bicycle wheel made while rolling 100 meters in a straight line without slipping?
(1) The diameter of the bicycle wheel, including the tire, was 0.5 meter.
(2) The wheel made twenty 360-degree rotations per minute.
N/A
A certain expressway has Exits J, K, L, and M, in that order. What is the road distance from Exit K to Exit L ?
(1) The road distance from Exit J to Exit L is 21 kilometers.
(2) The road distance from Exit K to Exit M is 26 kilometers.
N/A
In the figure above, what is the measure of angle ABC?
(1) BX bisects angle ABY and BY bisects angle XBC.
(2) The measure of angle ABX is 40°.
Show Spoiler
N/A
In a given class, what is the average (arithmetic mean) height per pupil ?
(1) The average (arithmetic mean) height of the girls in the class is 61 inches.
(2) The average (arithmetic mean) height of the boys in the class is 64 inches.
N/A
The figure above shows the shape of a flower bed. If arc QR is a semicircle and PQRS is a rectangle with QR > RS, what is the perimeter of the flower bed ?
(1) The perimeter of rectangle PQRS is 28 feet.
(2) Each diagonal of rectangle PQRS is 10 feet long.
Show Spoiler
N/A
What is the average (arithmetic mean) of x and y?
(1) The average of x and 2y is 10.
(2) The average of 2x and 7y is 32.
555-605 (Medium)
On June 1, Mary paid Omar $360 for rent and utilities for the month of June. Mary moved out early, and Omar refunded the money she paid for utilities, but not for rent, for the days in June after she moved out. How many dollars did Omar refund to Mary?
(1) Mary moved out on June 24.
(2) The amount Mary paid for utilities was less than 1/5 the amount Mary paid for rent.
N/A
If a rope is cut into three pieces of unequal length, what is the length of these pieces of rope?
(1) The combined length of the two longer pieces is 12 meters.
(2) The combined of the two shorter pieces is 11 meters.
N/A
What is the value of the sum of a list of n odd integers?
(1) n = 8
(2) The square of the number of integers on the list is 64.
N/A
Two car, S and T, each traveled a distance of 50 miles. Did car S use more gasoline than car T?
(1) Cars S and T traveled the entire distance at the rates of 55 miles per hour and 50 miles per hour, respectively.
(2) For the entire distance, car S traveled 20 miles per gallon of gasoline and car T traveled 25 miles per gallon of gasoline.
N/A
If -10 < k < 10, is k > 0 ?
(1) 1/k > 0
(2) k^2 > 0
N/A
Richard's salary is greater than $25,000. Is Amy's salary greater than Brian's salary?
(1) Brian's salary is 125 percent of Richard's salary, and Amy's salary is greater than 130 percent of Richard's salary.
(2) Richard's salary is 75 percent of Amy's salary but is 80 percent of Brian's salary.
N/A
How many people are directors of both Company K and Company R ?
(1) There were 17 directors present at a joint meeting of the directors of Company K and Company R, and no directors were absent.
(2) Company K has 12 directors and Company R has 8 directors.
N/A
If 4x = 5y = 10z, what is the value of x + y + z ?
(1) x - y = 6
(2) y + z = 36