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Absolute Values, Coordinate Geometry

What is the area of the region bounded by the curves \(y=|x−1|\) and \(y=|3|-|x|?\)

A. \(2\) units\(^2\)
B. \(3\) units\(^2\)
C. \(4\) units\(^2\)
D. \(5\) units\(^2\)
E. \(6\) units\(^2\)

The OA is C

by swerve

Fri Jan 10, 2025 2:23 pm
Forum: Problem Solving
Topic: Absolute Values, Coordinate Geometry
Replies: 0
Views: 61

Absolute Values, Number Properties

\(P\) is a set of integers. If \(a\) is the average of the odd integers and \(b\) is the average of the even integers in set \(P,\) what is the of \(|a-b|?\)

1. \(P\) consists of consecutive integers starting from \(1\)
2. There are not more than \(50\) integers in the set \(P\)

The OA is E

by swerve

Fri Jan 10, 2025 2:10 pm
Forum: Data Sufficiency
Topic: Absolute Values, Number Properties
Replies: 0
Views: 28

Absolute Values, Number Properties

Given that, \(M\) and \(P\) are integers with unknown signs. Which of the following information can be used to determine the signs of \(M\) and \(P?\) For example, the sign of \(-3\) is negative, while the sign of \(8\) is positive. I. \(|M| + |P| = |M+P|\) II. \(|M-P|=|P-M|\) III. \(|M|-|P|=|M-P|\)...

by swerve

Fri Jan 10, 2025 1:58 pm
Forum: Problem Solving
Topic: Absolute Values, Number Properties
Replies: 0
Views: 36

Work and Rate Problems

If it takes Patrick \(4\) hours to paint a room, how long did it take Patrick and Roger working together?

1. It takes Roger twice as long to paint the same room

2. Patrick painted the room from \(10\) a.m. to \(2\) p.m.

The OA is A

by swerve

Fri Jan 03, 2025 8:14 am
Forum: Data Sufficiency
Topic: Work and Rate Problems
Replies: 0
Views: 74

Work and Rate Problems

It takes Alpha \(6\) hours to build a shelf. Beta can do the same work twice as fast. How many shelves can Alpha and Beta, working together, build in a \(24\)-hour period?

A. \(10\)
B. \(11\)
C. \(12\)
D. \(13\)
E. \(14\)

The OA is C

by swerve

Fri Jan 03, 2025 8:08 am
Forum: Problem Solving
Topic: Work and Rate Problems
Replies: 0
Views: 52

Work and Rate Problems

If Bob, working alone, can paint a certain room in \(3\) hours, how long does it take Bob and Richard working together to paint the room? 1. Richard, working alone, can paint the room in \(2\) hours 2. Richard paints at a constant rate that is \(50\%\) greater than the rate at which Bob paints The O...

by swerve

Fri Jan 03, 2025 7:59 am
Forum: Data Sufficiency
Topic: Work and Rate Problems
Replies: 0
Views: 51

Work and Rate Problems

\(A\) and \(B\) can do a piece of work in \(45\) days and \(40\) days respectively. They began to do the work together but \(A\) leaves after some days and then \(B\) completed the remaining work in \(23\) days. The number of days after which \(A\) left the work was A. \(12\) B. \(11\) C. \(10\) D. ...

by swerve

Fri Jan 03, 2025 7:45 am
Forum: Problem Solving
Topic: Work and Rate Problems
Replies: 0
Views: 39

Combinations

A company makes and sells two products, \(A,\) and \(B.\) The costs per unit of making and selling \(A\) and \(B\) are \(\$8.00\) and \(\$9.50,\) respectively, and the selling prices per unit of \(A\) and \(B\) are \(\$10.00\) and \(\$12.00,\) respectively. In one month the company sold a total of \...

by swerve

Sun Dec 29, 2024 11:12 am
Forum: Data Sufficiency
Topic: Combinations
Replies: 0
Views: 63

Combinations

The kindergarten teacher has \(25\) kids in her class. She takes \(5\) of them at a time, to the zoological garden as often as she can, without taking the same \(5\) kids more than once. Then the number of visits, the teacher makes to the garden exceeds that of a kid by: A. \(25C5 – 24C5\) B. \(24C5...

by swerve

Sun Dec 29, 2024 11:01 am
Forum: Problem Solving
Topic: Combinations
Replies: 0
Views: 53

Combinations

A number of students have to be selected from a class of \(25\) students to form a group. What is the number of students in the group? 1. The number of possible selections of the students to form the group is the largest possible value 2. The number of students selected is less than \(50\) percent o...

by swerve

Sun Dec 29, 2024 10:53 am
Forum: Data Sufficiency
Topic: Combinations
Replies: 0
Views: 51

Combinations

How many different \(11-\)letter arrangements are possible with the letters \(aabbbbccccc?\)

A. \(11\)
B. \(45\)
C. \(90\)
D. \(6930\)
E. \(11!\)

The OA is D

by swerve

Sun Dec 29, 2024 10:44 am
Forum: Problem Solving
Topic: Combinations
Replies: 1
Views: 59

Arithmetic

What is the difference between the number of chocolates with Alice and Bob, if each of them has at least one chocolate and Alice has \(25\%\) more chocolates than Bob? 1) Together Alice and Bob have less than \(30\) but more than \(20\) chocolates 2) Difference between the squares of number of choco...

by swerve

Fri Dec 20, 2024 5:41 am
Forum: Data Sufficiency
Topic: Arithmetic
Replies: 0
Views: 82

Arithmetic, Min-Max Problems

In a six-digit number, the sixth, that is, the rightmost, digit is the sum of the first three digits, the fifth digit is the sum of first two digits, the third digit is equal to the first digit, the second digit is twice the first digit and the fourth digit is the sum of fifth and sixth digits. What...

by swerve

Fri Dec 20, 2024 5:33 am
Forum: Problem Solving
Topic: Arithmetic, Min-Max Problems
Replies: 0
Views: 81

Arithmetic

What day is the fourteenth of a given month?

1) The last day of the month is Wednesday

2) The third Saturday of the month was seventeenth

The OA B

by swerve

Fri Dec 20, 2024 5:19 am
Forum: Data Sufficiency
Topic: Arithmetic
Replies: 0
Views: 72

A violinist practices one hour a day from Monday through Friday. How many hours must she practice on Saturday in order

A violinist practices one hour a day from Monday through Friday. How many hours must she practice on Saturday in order to have an average (arithmetic mean) of two hours a day for the six-day period?

A. \(5\)
B. \(6\)
C. \(7\)
D. \(8\)
E. \(12\)

The OA is C