Search found 60 matches
Absolue Value
If |x+2| = 4 what is the value of x?
1) x^2 is not equal to 4
2) x^2 = 36
Please explains. Thanks.
OA D
- by moonlite
Sun May 03, 2009 7:47 am- Forum: Data Sufficiency
- Topic: Absolue Value
- Replies: 5
- Views: 1306
- by moonlite
Fri May 01, 2009 8:20 am- Forum: Problem Solving
- Topic: Inequality
- Replies: 3
- Views: 1494
Advertising budget
A certain company divides its total advertising budget into television, radio, newspaper, and magazine budgets in the ratio of 8:7:3:2 respectively. How many dollars are in the radio budget? 1) the television budget is $18,750 more than the newspaper budget 2) the magazine budget is 7500 How can we ...
- by moonlite
Fri May 01, 2009 7:23 am- Forum: Data Sufficiency
- Topic: Advertising budget
- Replies: 1
- Views: 4798
Inequality
Which of the following inequalities has a solution set that, when graphed on the number line, is a single line segment of finite length? a) x^4 >= 1 b) x^3 <= 27 c) x^2 >= 16 d) 2<= |x| <=5 e) 2<= 3x + 4 <= 6 I easily eliminated a b and c, can someone please help me with d and e. Thanks OA E
- by moonlite
Fri May 01, 2009 6:12 am- Forum: Problem Solving
- Topic: Inequality
- Replies: 3
- Views: 1494
GMAT Sets
Hi, I have stumbled across the gmat sets that you can download from various sources and they include verbal and quant. I find that the questions in these sets are quite different then the OG (Orange, Green, Purple). Is that true? Should I bother working through the questions in these sets? Any advic...
- by moonlite
Tue Apr 28, 2009 2:37 pm- Forum: GMAT Strategy
- Topic: GMAT Sets
- Replies: 0
- Views: 1160
Roots
Can someone please help me solve this?
Thanks.
√[2√63 + 2/(8+3√7)] =
A. 8 + 3√7
B. 4 + 3√7
C. 8
D. 4
E. √7
OA D
- by moonlite
Tue Apr 28, 2009 4:52 am- Forum: Problem Solving
- Topic: Roots
- Replies: 1
- Views: 1345
- by moonlite
Sun Apr 26, 2009 3:03 pm- Forum: Data Sufficiency
- Topic: 2 DS Questions
- Replies: 4
- Views: 2414
2 DS Questions
Hi, Please explain these DS answers. Thanks. 15. If Mark saved an average (arithmetic mean) of $80 per week for 3 consecutive weeks, how much did he save the second week? (1) The average amount that Mark saved per week for the first 2 weeks was $60. (2) The amount that Mark saved the first week was ...
- by moonlite
Sun Apr 26, 2009 12:58 pm- Forum: Data Sufficiency
- Topic: 2 DS Questions
- Replies: 4
- Views: 2414
- by moonlite
Thu Apr 23, 2009 3:58 pm- Forum: Problem Solving
- Topic: Percents and area
- Replies: 2
- Views: 2106
Percents and area
A circle graph shows how the budget of a certain company was spent: 63 percent for salaries, 12 percent for research and development, 6 percent for utilities, 5 percent for equipment, 4 percent for supplies, and the remainder for transportation. If the area of each sector of the graph is proportiona...
- by moonlite
Thu Apr 23, 2009 2:58 pm- Forum: Problem Solving
- Topic: Percents and area
- Replies: 2
- Views: 2106
Distance travelled by fan?
A point on the edge of a fan blade that is rotating in a plane is 10 centimeters from the center of the fan. What is the distance traveled, in centimeters, by this point in 15 seconds when the fan runs at the rate of 300 revolutions per minute? (A) 750π (B) 1,500π (C) 1,875`...
- by moonlite
Wed Apr 22, 2009 4:09 pm- Forum: Problem Solving
- Topic: Distance travelled by fan?
- Replies: 1
- Views: 1128
Distance
Aaron will jog from home at x miles per hour and then walk back home by the same route at y miles per hour. How many miles from home can Aaron job so that he spends a total of t hours jogging and walking? a) xt/y b) x+t/xy c) xyt/x+y d) x+y+t/xy e) y+t/x - t/y OA C Can someone please explain how to ...
- by moonlite
Wed Apr 22, 2009 3:33 pm- Forum: Problem Solving
- Topic: Distance
- Replies: 1
- Views: 2175
Percent Change
If an organization were to sell n tickets for a theater production, the total revenue from ticket sales would be 20 percent greater than the total costs of the production. If the organization actually sold all but 5 percent of the n tickets, the total revenue from ticket sales was what percent great...
- by moonlite
Tue Apr 21, 2009 7:38 am- Forum: Problem Solving
- Topic: Percent Change
- Replies: 1
- Views: 1009
- by moonlite
Tue Apr 21, 2009 5:17 am- Forum: Problem Solving
- Topic: Mixture
- Replies: 2
- Views: 1240
Mixture
How many liters of pure alcohol must be added
to a 100-liter solution that is 20 percent alcohol
in order to produce a solution that is 25 percent
alcohol?
(A) 7/2
(B) 5
(C) 20/3
(D) 8
(E) 39/4
OA C
Please explain. Thanks.
- by moonlite
Tue Apr 21, 2009 3:56 am- Forum: Problem Solving
- Topic: Mixture
- Replies: 2
- Views: 1240