GMAT Data Sufficiency — practice questions
34 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GMAT Data Sufficiency in the app →Data Sufficiency — Is the integer $n$ even?
(1) $n = 2k$ for some integer $k$.
(2) $n$ is the product of two cData Sufficiency — What is the value of $x$?
(1) $x$ is a prime number.
(2) $x$ is even.Data Sufficiency — Is $x > 0$?
(1) $x^2 > 0$.
(2) $x^3 > 0$.Data Sufficiency — Is the positive integer $n$ divisible by 6?
(1) $n$ is divisible by 3.
(2) $n$ is divisibleOn a fishing trip Jim and Tom each caught some fish; who caught more?
(1) Jim caught 2/3 as many fish as Tom.How many of the boys in a group of 100 children have brown hair?
(1) 60% of the children have brown hair.
(2)Is integer n positive?
(1) n^2 > n.
(2) n^3 > n.What is the value of x?
(1) x is an even prime.
(2) x^2 = 4.Is x + y > 10?
(1) x > 5.
(2) y > 5.Is x positive?
(1) x > −3
(2) x is evenWhat is the value of x?
(1) x + 3 = 7
(2) x is oddIs n divisible by 6?
(1) n is divisible by 2
(2) n is divisible by 3Is x² > x?
(1) x > 1
(2) x is integerWhat is the average of a, b, c?
(1) a + b + c = 30
(2) b = 12Is x > y?
(1) x − y = 3
(2) x + y = 5Is the product mn positive?
(1) m > 0
(2) n > 0How many even integers between 1 and N?
(1) N = 11
(2) N is oddWhat is the value of x/y?
(1) x = 2y
(2) x + y = 6Is line L parallel to y = 2x + 3?
(1) L has slope 2
(2) L passes through originIs x an integer?
(1) 2x is an integer
(2) x² is an integerValue of x when x² − 4 = 0?
(1) x is positive
(2) x is integerIs ab > 0?
(1) a > b
(2) a and b same signHow many men in the class?
(1) Total students = 30
(2) 1/3 are womenIs x + y > 10?
(1) x > 5
(2) y > 5Is z negative?
(1) z² = 9
(2) z < 0What is x + y?
(1) x = 4
(2) x + 2y = 10Is the integer p prime?
(1) p has exactly 2 divisors
(2) p > 2Value of x in 5x − 10 = 0?
(1) x is rational
(2) 5x = 10Are the lines perpendicular?
(1) Slopes are m and −1/m
(2) Slopes are 2 and −1/2Is the rectangle a square?
(1) Perimeter = 20
(2) All sides equalHow old is John?
(1) Twice his age 4 years ago = 20
(2) He is older than 12Are sets A and B disjoint?
(1) A ∩ B = ∅
(2) A and B nonemptyIs 1/x > 1?
(1) x is positive
(2) x < 1How many students passed?
(1) 30 students total
(2) 60% passed