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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
Of the 230 single-family homes built in City X last year, how many were occupied at the end of the year?
(1) Of all single-family homes in City X, 90 percent were occupied at the end of last year.
(2) A total of 7,200 single-family homes in City X were occupied at the end of last year.
N/A
If r and s are integers, is r divisible by 7?
(1) The product rs is divisible by 7.
(2) s is not divisible by 7.
N/A
If today is Carol's birthday, how old is Carol?
(1) 6 years ago she was half her present age.
(2) 3 years from now she will be 3 times as old as she was 7 years ago.
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N/A
Is the integer n equal to 25 ?
(1) n is the square of an integer.
(2) 15 < n < 37
DS21219
N/A
Can the positive integer p be expressed as the product of two integers, each of which is greater than 1?
(1) 31 < p < 37
(2) p is odd.
N/A
If
yâ 0
, is
x
y
=
1
2
?
(1) x is 50 percent of y
(2) 0.1x = 0.05y
555-605 (Medium)
What is the total number of coins that Bert and Claire have?
(1) Bert has 50 percent more coins than Claire.
(2) The total number of coins that Bert and Claire have is between 21 and 28.
N/A
Is ÎMNP isosceles?
(1) Exactly two of the angles, â M and â N, have the same measure
(2) â N and â P do not have the same measure.
N/A
What is the value of x?
(1) 3 + x + y = 14 and 2x + y = 15
(2) 3x + 2y = 12 + 2y
N/A
If
x
â
y
=n
ð¥
ð¦
=
ð
, what is the value of x?
(1) yn = 10
(2) y = 40 and n = 1/4
N/A
Does the product jkmn equal 1?
(1) jk
mn
=1
ð
ð
ð
ð
=
1
(2) j=
1
k
ð
=
1
ð
and
m=
1
n
ð
=
1
ð
N/A
If m/n = 5/3, what is the value of m + n ?
(1) m > 0
(2) 2m + n= 26
N/A
If x, y, and z are positive, what is the value of x ?
(1) x + y = z + y
(2) z â y = 4 â y
N/A
Is line l parallel to the y-axis?
(1) The equation of line l is x = 4.
(2) The points (4,2) and (4,â5) are on line l.
DS21220
N/A
Currently there are 50 picture books on each shelf in the children's section of a library. If these books were to be placed on smaller shelves with 30 picture books on each shelf, how many of the smaller shelves would be needed to hold all these books?
(1) The number of smaller shelves needed is 6 more than the current number of shelves.
(2) Currently there are 9 shelves in the children's section.
N/A
If n is an integer, is n even?
(1) n^2 - 1 is an odd integer.
(2) 3n + 4 is an even integer.
Sub 505 (Easy)
Is the total price of the items in Andrea's shopping cart less than $25.00?
(1) There are 5 items in Andrea's shopping cart.
(2) The price of the most expensive item in Andrea's shopping cart is $4.99
N/A
Is n an integer greater than 4?
(1) 3n is a positive integer.
(2) n/3 is a positive integer.
N/A
Is x an even integer?
(1) x is the square of an integer.
(2) x is the cube of an integer.
N/A
If m and n are consecutive positive integers, is m greater than n ?
(1) m-1 and n+1 are consecutive positive integers.
(2) m is an even integer.