Search found 53 matches
Factors, multiples, and divisibility
How many positive integers less than 28 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2 and a positive multiple of 4?
A. 27
B. 25
C. 24
D. 22
E. 20
- by datonman
Fri Dec 04, 2015 10:35 am- Forum: Problem Solving
- Topic: Factors, multiples, and divisibility
- Replies: 0
- Views: 926
Factors, multiples, and divisibility
How many positive integers less than 28 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2 and a positive multiple of 4?
A. 27
B. 25
C. 24
D. 22
E. 20
- by datonman
Fri Dec 04, 2015 10:24 am- Forum: Problem Solving
- Topic: Factors, multiples, and divisibility
- Replies: 6
- Views: 2364
Arithmetic Applied Problems
Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting, and 75 percent experienced dizziness. If all of the subjects experienced at least one of these effects and 35 per...
- by datonman
Fri Nov 27, 2015 1:22 pm- Forum: Problem Solving
- Topic: Arithmetic Applied Problems
- Replies: 1
- Views: 1445
Arithmetic Percents
A photography dealer ordered 60 Model X cameras to be sold for $250 each, which represents a 20% markup over the dealer's initial cost for each camera. Of the cameras ordered, 6 were never sold and were returned to the manufacturer for a refund of 50% of the dealer's initial cost. What was the deale...
- by datonman
Fri Nov 27, 2015 11:44 am- Forum: Problem Solving
- Topic: Arithmetic Percents
- Replies: 6
- Views: 2404
expression from Pearson
I didn't know how to put the question here so i posted the pic with the question provided.
- by datonman
Mon Nov 23, 2015 1:02 pm- Forum: Problem Solving
- Topic: expression from Pearson
- Replies: 2
- Views: 1457
Geometry
A frame 2 inches wide is placed around a rectangular picture with dimensions 8 inches by 12 inches. What is the area of the frame, in square inches? A.44 B.96 C.128 D.144 E.168 The answer in the textbook is B by subtracting 12*16 = 12*8 or 192-96 which equals 96. But is there an alternative way to d...
- by datonman
Mon Nov 16, 2015 8:45 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 2
- Views: 1546
Arithmetic percents
Of the 50 researchers in a workgroup, 40 percent will be assigned to Team A and the remaining 60 percent to Team B. However, 70 percent of the researchers prefer Team A and 30 percent prefer Team B. What is the lowest possible number of researchers who will NOT be assigned to the team they prefer? (...
- by datonman
Fri Nov 13, 2015 11:03 am- Forum: Problem Solving
- Topic: Arithmetic percents
- Replies: 2
- Views: 1033
Arithmetic percents
Of the 50 researchers in a workgroup, 40 percent will be assigned to Team A and the remaining 60 percent to Team B. However, 70 percent of the researchers prefer Team A and 30 percent prefer Team B. What is the lowest possible number of researchers who will NOT be assigned to the team they prefer? (...
- by datonman
Fri Nov 13, 2015 10:35 am- Forum: Problem Solving
- Topic: Arithmetic percents
- Replies: 4
- Views: 1412
two part analysis equation
For each positive integer 'n', the quantity sn(n is lowered down next to s) is defined such that sn + 2 = (Sn)to the second power, - Sn +1. In addition, S2 = 1
In the table, select values for S1 and S4 that are jointly compatible with these conditions.
- by datonman
Thu Nov 12, 2015 4:24 pm- Forum: GMAT Integrated Reasoning
- Topic: two part analysis equation
- Replies: 1
- Views: 4688
clarification on GMAT 2016 DS problem
A taxi company charges 'f' cents for the first mile of the taxi ride and 'm' cents for each additional mile. How much does the company charge for a 10 mile taxi ride? (1) The company charges $0.90 for a 2-mile ride. (2) The company charges $1.20 for a 4-mile ride. I read a solution in the textbook w...
- by datonman
Thu Nov 12, 2015 12:35 pm- Forum: Data Sufficiency
- Topic: clarification on GMAT 2016 DS problem
- Replies: 5
- Views: 4325
Algebra Statistics
At a certain fruit stand, the price of each apple is 40 cents and the price of each orange is 60 cents. Mary selects a total of 10 apples and oranges from the fruit stand, and the average (arithmetic mean) price of the 10 pieces of fruit is 56 cents. How many oranges must Mary put back so that the a...
- by datonman
Wed Nov 11, 2015 11:31 am- Forum: Problem Solving
- Topic: Algebra Statistics
- Replies: 7
- Views: 4479
Arithmetic Percents
Guy's net income equals his gross income minus his deductions. By what percent did Guy's net income change on January 1, 1989, when both his gross income and his deductions increased? (1) Guy's gross income increased by 4 percent on January 1, 1989. (2) Guy's gross income increased by 15 percent on ...
- by datonman
Wed Nov 11, 2015 10:55 am- Forum: Data Sufficiency
- Topic: Arithmetic Percents
- Replies: 2
- Views: 1323
Applied Problems
If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27. By how much do the two digits differ?
A) 3
B) 4
C) 5
D) 6
E) 7
- by datonman
Mon Nov 09, 2015 10:52 am- Forum: Problem Solving
- Topic: Applied Problems
- Replies: 2
- Views: 1183
two part analysis question
A city is hosting a table tennis tournament for its residents. Each team has exactly two players, and each team is on exactly one team. In each round, each team plays exactly one other team and either wins or loses. The winning team advances to the next round and the losing team is eliminated. No te...
- by datonman
Sun Nov 08, 2015 5:22 pm- Forum: GMAT Integrated Reasoning
- Topic: two part analysis question
- Replies: 1
- Views: 6311
Percentage
A company consists of two departments: sales and production. If 30 percent of the 150 employees in the sales department received a holiday bonus and 70 percent of the 250 employees in the production department received a holiday bonus, what percent of all employees did not receive a holiday bonus? A...
- by datonman
Thu Nov 05, 2015 9:32 am- Forum: Problem Solving
- Topic: Percentage
- Replies: 2
- Views: 2676