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Word Problems
There were \(P\) people in a room when a meeting started. \(Q\) people left the room during the first hour, while \(R\) people entered the room during the same time. What expression gives the number of people in the room after the first hour as a percentage of the number of people in the room who ha...
- by swerve
Thu Aug 01, 2024 4:32 pm- Forum: Problem Solving
- Topic: Word Problems
- Replies: 0
- Views: 319
Word Problems
A box of chocolates has \(15\) rows with \(10\) spaces for chocolates in each row, how many chocolates are in the box? 1. There is an average (arithmetic mean) of \(6\) empty spaces in the first \(6\) rows 2. There is an average (arithmetic mean) of \(9\) empty spaces in the last \(9\) rows The OA i...
- by swerve
Thu Aug 01, 2024 4:15 pm- Forum: Data Sufficiency
- Topic: Word Problems
- Replies: 0
- Views: 268
Word Problems
A company can sell \(100x\) machine parts if it charges \(10 - 0.1x\) dollars for each machine part. How many machine parts can the company sell if it charges \(\$4.00\) for each machine part?
A. \(6\)
B. \(9.6\)
C. \(60\)
D. \(960\)
E. \(6,000\)
The OA is E
- by swerve
Thu Aug 01, 2024 4:03 pm- Forum: Problem Solving
- Topic: Word Problems
- Replies: 0
- Views: 325
Geometry
1. The area of rectangle \(ABCD\) is \(100\)
2. Rectangle \(ABCD\) is a square
The OA is C
- by swerve
Tue Jul 23, 2024 3:58 pm- Forum: Data Sufficiency
- Topic: Geometry
- Replies: 0
- Views: 386
Geometry
A. \(32\)
B. \(25\)
C. \(20\)
D. \(10\)
E. \(5\)
The OA is D
- by swerve
Tue Jul 23, 2024 3:47 pm- Forum: Problem Solving
- Topic: Geometry
- Replies: 1
- Views: 379
Coordinate Geometry
A. \(AO > BO\)
B. \(AO < BO\)
C. \(AO \leq BO\)
D. \(AO = BO\)
E. \(AO = BO/2\)
The OA is A
- by swerve
Thu Jul 18, 2024 4:40 pm- Forum: Problem Solving
- Topic: Coordinate Geometry
- Replies: 0
- Views: 369
Coordinate Geometry, Geometry
Does the graphical representation of the quadratic function \(f(x) = y = ax^2 + c\) intersect with the \(x\)- axis?
1. \(a < 0\)
2. \(c > 0\)
The OA is C
- by swerve
Thu Jul 18, 2024 4:25 pm- Forum: Data Sufficiency
- Topic: Coordinate Geometry, Geometry
- Replies: 0
- Views: 415
Coordinate Geometry
Which of the following points in the coordinate plane lies on the line \(y = 2x – 8?\)
I. \((3, -2)\)
II. \((-8, 0)\)
III. \(\left( \dfrac{1}{2}, -7\right)\)
A. I only
B. III only
C. I and II only
D. I and III only
E. I, II, and III
The OA is D
- by swerve
Thu Jul 18, 2024 4:19 pm- Forum: Problem Solving
- Topic: Coordinate Geometry
- Replies: 0
- Views: 353
Distance And Speed Problems, Geometry
Two airplanes take off from one airfield at noon. One flies due east at \(200\) miles per hour while the other flies directly northeast at \(283\) miles per hour. Approximately how many miles apart are the airplanes at \(2 p.m.?\)
A. \(166\)
B. \(332\)
C. \(400\)
D. \(483\)
E. \(566\)
The OA is C
- by swerve
Wed Jul 10, 2024 5:08 pm- Forum: Problem Solving
- Topic: Distance And Speed Problems, Geometry
- Replies: 0
- Views: 871
Probability
A group of \(30\) people includes men, women and children. If one person is to be chosen at random from the group, is the probability that a man is chosen greater than the probability that a woman is chosen? 1. The probability that a man is chosen is \(50\%\) greater than the probability that a chil...
- by swerve
Wed Jul 10, 2024 4:53 pm- Forum: Data Sufficiency
- Topic: Probability
- Replies: 0
- Views: 2620
Distance And Speed Problems
A certain train is traveling at a constant rate. If the train travels \(s\) miles in \(t\) hours, in how many hours will the train travel \(y\) miles?
A. \(\dfrac{sy}{t}\)
B. \(\dfrac{st}{y}\)
C. \(\dfrac{ty}{s}\)
D. \(\dfrac{s}{ty}\)
E. \(\dfrac{s+y}{t}\)
The OA is C
- by swerve
Wed Jul 10, 2024 4:32 pm- Forum: Problem Solving
- Topic: Distance And Speed Problems
- Replies: 0
- Views: 23887
Percent And Interest Problems
How much is \(10\) percent of a number?
1. \(20\) percent of the number is \(40\)
2. \(50\) percent of the number is \(100\)
The OA is D
- by swerve
Tue Jul 02, 2024 6:37 am- Forum: Data Sufficiency
- Topic: Percent And Interest Problems
- Replies: 0
- Views: 1237
Min-Max Problems, Percent And Interest Problems, Word Problems
Of the \(200\) math majors at a certain university, \(30\) percent will be assigned to advanced calculus on Monday and Wednesday and the remaining \(70\) percent will be assigned to advanced calculus on Tuesday and Thursday. However, \(40\) percent of the math majors prefer Tuesday and Thursday and ...
- by swerve
Tue Jul 02, 2024 6:28 am- Forum: Problem Solving
- Topic: Min-Max Problems, Percent And Interest Problems, Word Problems
- Replies: 0
- Views: 33489
Percent And Interest Problems, Word Problems
Jay's net income equals his gross income minus his deductions. By what percent did Jay's net income change as of December \(31\), when both his gross income and his deductions increased? 1. Jay's gross income increased by \(8\) percent on December \(31\) 2. Jay's deductions increased by \(16\) perce...
- by swerve
Tue Jul 02, 2024 6:12 am- Forum: Data Sufficiency
- Topic: Percent And Interest Problems, Word Problems
- Replies: 0
- Views: 1015
Percent And Interest Problems
In the modern era, the global population of humans has increased by \(1\) billion people approximately every \(13\) years. If that rate were to continue, approximately how many years would it take for the Earth’s population to double from its current population of \(7\) billion people? A. \(26\) B. ...
- by swerve
Tue Jul 02, 2024 5:59 am- Forum: Problem Solving
- Topic: Percent And Interest Problems
- Replies: 0
- Views: 28780