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Data Sufficiency

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If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920
by AAPL »
GMAT Prep If John has exactly 10 coins each of which was minted in...
0
Last post by AAPL
Sat Jun 25, 2022 8:15 am
A certain language school has two classes for children. If the range of ages, in years, of the children in the first
by AAPL »
GMAT Prep A certain language school has two classes for children. Is...
0
Last post by AAPL
Sat Jun 25, 2022 8:09 am
If d is a decimal, is d
by BTGmoderatorDC »
If d is a decimal, is d ≥ 1.55? (1) When d is rounded to the...
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Last post by BTGmoderatorDC
Thu Jun 23, 2022 6:59 pm
Bill rides his bile to work in the morning on a route that is 18 km long. Did Bill take longer than 40 minutes to get to
by BTGmoderatorDC »
Bill rides his bile to work in the morning on a route that is 18 km...
1
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Last post by Brent@GMATPrepNow
Thu Jun 23, 2022 6:14 am
Two line l and k intersect at a point (4, 3). Is the product of their slopes -1?
by BTGmoderatorDC »
Two line l and k intersect at a point (4, 3). Is the product of their...
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Last post by BTGmoderatorDC
Thu Jun 23, 2022 4:40 am
Judith and Quincy started with the same amount of money to invest at the beginning of 2012. Judith's investments
by BTGmoderatorLU »
Source: Magoosh Judith and Quincy started with the same amount of...
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Last post by BTGmoderatorLU
Wed Jun 22, 2022 1:18 pm
The Lewiston Road Race is how many kilometers long?
by AAPL »
Princeton Review The Lewiston Road Race is how many kilometers long?...
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Last post by AAPL
Sun Jun 19, 2022 9:47 am
Sandra is paid an hourly base rate for babysitting up to two children a day, and an additional 20% per hour for each
by AAPL »
Princeton Review Sandra is paid an hourly base rate for babysitting...
0
Last post by AAPL
Sun Jun 19, 2022 9:40 am
A certain stadium is currently full to 13/16 of its maximum seating capacity. What is the maximum seating capacity of
by BTGmoderatorDC »
A certain stadium is currently full to 13/16 of its maximum seating...
0
Last post by BTGmoderatorDC
Sat Jun 18, 2022 10:44 pm
A certain company divides its total advertising budget into television, radio, newspaper, and magazine budgets in the
by BTGmoderatorDC »
A certain company divides its total advertising budget into...
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Last post by BTGmoderatorDC
Fri Jun 17, 2022 9:01 pm
Ten years ago, Dorothy deposited a certain amount of money in Account A at a 3% simple annual interest rate. At the same
by BTGmoderatorDC »
Ten years ago, Dorothy deposited a certain amount of money in Account...
1
Last post by swerve
Fri Jun 17, 2022 9:16 am
Is the product of integers M and N even?
by BTGmoderatorDC »
Is the product of integers M and N even? (1) N can be expressed as a...
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Last post by BTGmoderatorDC
Fri Jun 17, 2022 5:28 am
Is x < -1?
by Brent@GMATPrepNow »
Is x < -1? (1) (x - 5)² > (1 - x)² (2) (2 - x)² < (4 +...
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Last post by Brent@GMATPrepNow
Wed Jun 15, 2022 10:39 am
The ratio of males to females in a particular school is 4:5. How many male students are there?
by BTGmoderatorLU »
Source: Magoosh The ratio of males to females in a particular school...
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Last post by BTGmoderatorLU
Wed Jun 15, 2022 8:51 am
If in the equation x^2 – 2x – c = 10, x is a variable and c is a constant, what is the value of c?
by BTGmoderatorDC »
If in the equation x^2 - 2x - c = 10, x is a variable and c is a...
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Last post by BTGmoderatorDC
Wed Jun 15, 2022 4:54 am
If r > s + t , is r positive?
by BTGmoderatorDC »
If r > s + t , is r positive? (1) s > t (2) r/(s+t) > 1 OA B...
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Last post by BTGmoderatorDC
Sun Jun 12, 2022 5:28 am
What were the individual prices of the vases that an antique dealer bought at store X?
by AAPL »
GMAT Prep What were the individual prices of the vases that an...
0
Last post by AAPL
Sat Jun 11, 2022 9:49 am
A certain shipment of identical cans of soup can be packed either into cartons that hold 15 cans each or into cartons
by BTGmoderatorDC »
A certain shipment of identical cans of soup can be packed either...
0
Last post by BTGmoderatorDC
Fri Jun 10, 2022 7:45 pm
How many cartons of milk does supermarket A have in stock? (1) One-third of the cartons of milk in stock are skim, and
by BTGmoderatorDC »
How many cartons of milk does supermarket A have in stock? (1)...
0
Last post by BTGmoderatorDC
Fri Jun 10, 2022 6:08 am
If m and b are constants and, in the xy-plane, line l has equation y = mx + b, then what is the value of m ?
by BTGmoderatorDC »
If m and b are constants and, in the xy-plane, line l has equation y...
0
Last post by BTGmoderatorDC
Thu Jun 09, 2022 5:09 am
A regular polygon is inscribed in a circle. How many sides does the polygon have?
by BTGmoderatorDC »
A regular polygon is inscribed in a circle. How many sides does the...
0
Last post by BTGmoderatorDC
Sun Jun 05, 2022 12:07 am
Given that (a + b) > (c + d),
by BTGmoderatorDC »
Given that (a + b) > (c + d), is a > c? (1) a < (c + d) (2)...
0
Last post by BTGmoderatorDC
Thu Jun 02, 2022 10:19 pm
What is the value of the integer n?
by BTGmoderatorDC »
What is the value of the integer n? (1) n! = n X (n - 1)! (2) n^3 +...
0
Last post by BTGmoderatorDC
Wed Jun 01, 2022 4:15 am
For integers x, y, and z, x = y^2. What is the value of z?
by BTGmoderatorDC »
For integers x, y, and z, x = y^2. What is the value of z? (1) x =...
0
Last post by BTGmoderatorDC
Tue May 31, 2022 6:05 am
Each person attending a fund-raising party for a certain club was charged the same admission fee. How many people
by BTGmoderatorDC »
Each person attending a fund-raising party for a certain club was...
0
Last post by BTGmoderatorDC
Fri May 27, 2022 6:50 pm
In the figure shown, point O is the center of the semicircle and points B, C, D
by BTGmoderatorDC »
Untitled.png In the figure shown, point O is the center of the...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu May 26, 2022 9:44 am
If points A and B are on the y-axis in the figure, what is the area of equilateral triangle ABC ?
by BTGmoderatorDC »
2014-10-29_1948.png If points A and B are on the y-axis in the...
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Last post by BTGmoderatorDC
Wed May 25, 2022 3:05 am
For a certain pair of non zero numbers on the number line,is 0 between the two numbers?
by BTGmoderatorDC »
For a certain pair of non zero numbers on the number line,is 0...
0
Last post by BTGmoderatorDC
Mon May 23, 2022 7:31 pm
In the figure above, QRS is a straight line and QR = PR. Is it true that lines TR and PQ parallel?
by BTGmoderatorDC »
Screen shot 2012-12-09 at 1.40.06 PM.png In the figure above, QRS is...
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Last post by BTGmoderatorDC
Sun May 22, 2022 1:41 am
In how many ways can a coach select a 4-person university team from a pool of eligible candidates?
by BTGmoderatorDC »
In how many ways can a coach select a 4-person university team from a...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri May 20, 2022 6:46 am
Six countries in a certain region sent a total of 75 representatives to an international congress, and no two countries
by BTGmoderatorDC »
Six countries in a certain region sent a total of 75 representatives...
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Last post by BTGmoderatorDC
Wed May 18, 2022 7:11 pm
100 residents of a city were surveyed and each one read at least one of the town's two newspapers, the Times and the
by BTGmoderatorDC »
100 residents of a city were surveyed and each one read at least one...
0
Last post by BTGmoderatorDC
Wed May 18, 2022 5:10 am
By what percent did Company A’s revenues increase from 1980 to 1985?
by BTGmoderatorDC »
By what percent did Company A’s revenues increase from 1980 to...
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Last post by BTGmoderatorDC
Sat May 14, 2022 5:08 pm
What is the value of integer q?
by BTGmoderatorDC »
What is the value of integer q? (1) qr + qs = r + s (2) r ≠ -s OA C...
0
Last post by BTGmoderatorDC
Thu May 12, 2022 10:52 pm
What is the value of positive integer x?
by BTGmoderatorDC »
What is the value of positive integer x? (1) The sum of all unique...
0
Last post by BTGmoderatorDC
Thu May 12, 2022 5:15 am
Surface Area
by knight247 »
What fraction part of the total surface area of cube C is red? (1)...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon May 09, 2022 10:42 am
If a and b are two positive numbers, what is the product of a and b?
by BTGmoderatorDC »
If a and b are two positive numbers, what is the product of a and b?...
0
Last post by BTGmoderatorDC
Sun May 08, 2022 2:01 am
A group of five friends have $87 dollars between them. Each one only has bills, that is, whole dollar amounts, no coins.
by BTGmoderatorDC »
A group of five friends have $87 dollars between them. Each one only...
1
Last post by coursetakers
Fri May 06, 2022 3:00 am
How many hours did it take Helen to drive from her house to
by AAPL »
GMAT Prep How many hours did it take Helen to drive from her house...
2
EXPERT REPLIES
Last post by coursetakers
Fri May 06, 2022 2:58 am
John and Sue took out loans whose monthly installments were determined by using the formula above. Both loans had the
by BTGmoderatorDC »
If a loan of P dollars, at an interest rate of r percent per year...
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Last post by BTGmoderatorDC
Fri May 06, 2022 2:07 am
A number can be considered “purple” if it halfway between two perfect squares. Is x purple?
by BTGmoderatorDC »
A number can be considered “purple” if it halfway between two...
0
Last post by BTGmoderatorDC
Thu May 05, 2022 5:51 am
If s is an integer, is 24 a divisor of s ?
by BTGmoderatorDC »
If s is an integer, is 24 a divisor of s ? (1)"�'Each of the...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon May 02, 2022 7:00 am
A craftsperson made 126 ornaments and put them all into
by BTGmoderatorDC »
A craftsperson made 126 ornaments and put them all into boxes. If...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon May 02, 2022 6:51 am
When a die that has one of six consecutive integers on each of its sides is rolled twice, what is the probability of get
by BTGmoderatorDC »
When a die that has one of six consecutive integers on each of its...
0
Last post by BTGmoderatorDC
Sat Apr 30, 2022 6:44 pm
A drawer contains 8 socks, and 2 socks are selected at random without replacement. What is the probability that both
by BTGmoderatorDC »
A drawer contains 8 socks, and 2 socks are selected at random without...
0
Last post by BTGmoderatorDC
Tue Apr 26, 2022 6:49 am
Point (P, Q) is in the coordinate plane. Is P > Q?
by BTGmoderatorDC »
Point (P, Q) is in the coordinate plane. Is P > Q? (1) (P, Q) is...
0
Last post by BTGmoderatorDC
Sun Apr 24, 2022 4:47 pm
In the diagram above, ABCD is a square with side M, and EFGH is a square with side K.
by BTGmoderatorDC »
gdrtq_img5.png In the diagram above, ABCD is a square with side M,...
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Last post by BTGmoderatorDC
Sun Apr 24, 2022 2:39 am
In country X, all residents are voters. What percent of the members of political party A are unemployed voters?
by BTGmoderatorDC »
In country X, all residents are voters. What percent of the members...
0
Last post by BTGmoderatorDC
Fri Apr 22, 2022 3:05 am
How many more first-time jobless claims were filed in week P than in week T ?
by BTGmoderatorDC »
How many more first-time jobless claims were filed in week P than in...
0
Last post by BTGmoderatorDC
Thu Apr 21, 2022 3:34 am
Is the product of a certain pair of integers even?
by BTGmoderatorDC »
Is the product of a certain pair of integers even? (1) The sum of the...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Apr 20, 2022 6:27 am