GMAT DS Sample Question | Percentage | Ratios | Word Problem
A candy manufacturer decided to decrease the weight of each candy bar, while retaining the price. By how many cents did the per kilogram cost of candy change after the reduction in weight?
Statement 1: The weight of each piece of candy bar reduced by 9 grams. Statement 2: The weight of each piece of candy bar reduced by 9%
Choice E Statements (1) and (2) TOGETHER are NOT sufficient
GMAT Data Sufficiency | Hard Math Question | Geometry
a, b, and c are sides of a right triangle. What is the area of the triangle?
Statement 1: a = 4. Statement 2: a + b + c = 4.
Choice C Statements Together are Sufficient.
GMAT Challenging Math Question | Arithmetic | Number Properties DS Practice
Is |x| > x?
Statement 1: x2 + y2 = 4 Statement 2: x3 + y2 = 0
Choice C Statements Together are Sufficient.
GMAT DS Sample Question | Geometry | Triangles
Is the triangle ABC right angled at B an isosceles triangle?
Statement 1: All 3 sides are integers. Statement 2: The square of the hypotenuse is twice the product of the other two sides.
Choice D Statements are Independently Sufficient to answer the question.
GMAT Hard Math Questions | Arithmetic | Number Properties DS
x is a two-digit positive integer. y is obtained by multiplying the tens place of x by 2. Is y > \\frac{x}{6})?
Statement 1: 20 < x < 30 Statement 2: y = 10
Choice B Statement 2 ALONE is sufficient.
Geometry | Coordinate Geometry DS Practice | GMAT Challenging Math Question
Does the line L whose equation is y = mx + c cut the x-axis in the positive direction of x-axis?
Statement 1: The intercepts of Line K, perpendicular to L, are of the opposite signs. Statement 2: Line L passes through the 4th quadrant.
Choice E Statements Together are NOT Sufficient
GMAT Data Sufficiency | Challenging Number Properties & Inequalities Question
What is the range of 3 positive integers a, b, and c?
Statement 1: 21a = 9b = 7c Statement 2: a + 8, b, and c, in that order are in AP.
Choice C Statements TOGETHER sufficient.
GMAT Hard Math Questions | Arithmetic | Number Properties DS
Is the twelve-digit positive integer a perfect square?
Statement 1: The number comprises only the digits 0, 1, and 2, each written four times. Statement 2: The sum of the digits of the twelve-digit number is 12.
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