Search found 30 matches


Roots

what is the best/easy way to find this?

4th root of 496 is between?

(A) 3 and 4
(B) 4 and 5
(C) 5 and 6
(D) 6 and 7
(E) 7 and 8
Thanks

by ramonsa

Sat Jun 06, 2009 6:29 am
Forum: Problem Solving
Topic: Roots
Replies: 3
Views: 1439

Consecutive odd integers.

Hi - Can someone explain me the approach to this problem? I'm getting 32 as an answer but I want to make sure that I using the best approach. Thanks 3-13.If a sequence of 8 consecutive odd integers with increasing values has 9 as its 7th term, what is the sum of the terms of the sequence? (A) 22 (B)...

by ramonsa

Sat Jun 06, 2009 5:14 am
Forum: Problem Solving
Topic: Consecutive odd integers.
Replies: 1
Views: 2773

Problem Solving Help.

The regular hourly wage for an employee of a certain factory is $5.60. If the employee worked 8 hours overtime and earned 3/2 times this regular hourly wage for overtime, how much overtime money was earned?
Thanks

by ramonsa

Thu Jun 04, 2009 12:19 pm
Forum: Problem Solving
Topic: Problem Solving Help.
Replies: 1
Views: 3306

Why do you use 11 instead of -5.
Thanks

by ramonsa

Wed Jun 03, 2009 5:55 pm
Forum: Data Sufficiency
Topic: Problem Solving...Help
Replies: 2
Views: 1294

PS Help..

15. Working alone, R can complete a certain kind of job in 9 hours. R and S, working together at their respective rates, can complete one of these jobs in 6 hours. In how many hours can S, working alone, complete one of these jobs?
(A) 18 (B) 12 (C) 9
(D) 6 (E) 3
Thanks

by ramonsa

Wed Jun 03, 2009 3:50 pm
Forum: Problem Solving
Topic: PS Help..
Replies: 3
Views: 3874

Problem Solving...Help

13. If a sequence of 8 consecutive odd integers with increasing values has 9 as its 7th term, what is the sum of the terms of the sequence?
(A) 22 (B) 32 (C) 36
(D) 40 (E) 44
Thanks..

by ramonsa

Wed Jun 03, 2009 3:02 pm
Forum: Data Sufficiency
Topic: Problem Solving...Help
Replies: 2
Views: 1294

PS Help...

8. After paying a 10 percent tax on all income over $3,000, a person had a net income of $12,000. What was the income before taxes?
(A) $13,300
(B) $13,000
(C) $12,900
(D) $10,000
(E) $9,000

Thanks

by ramonsa

Wed Jun 03, 2009 2:31 pm
Forum: Data Sufficiency
Topic: PS Help...
Replies: 2
Views: 1854

PS ... Help.

7. A certain elevator has a safe weight limit of 2,000 pounds. What is the greatest possible number of people who can safely ride on the elevator at one time with the average (arithmetic mean) weight of half the riders being 180 pounds and the average weight of the others being 215 pounds? (A) 7 (B)...

by ramonsa

Wed Jun 03, 2009 2:30 pm
Forum: Data Sufficiency
Topic: PS ... Help.
Replies: 2
Views: 1216

PS Help!!

6. In traveling from a dormitory to a certain city, a student went of the way by foot, of the way by bus, and the remaining 8 kilometers by car. What is the distance, in kilometers, from the dormitory to the city?
(A) 30
(B) 45
(C) 60
(D) 90
(E) 120
Thanks

by ramonsa

Wed Jun 03, 2009 2:22 pm
Forum: Data Sufficiency
Topic: PS Help!!
Replies: 3
Views: 1236

Prob Solving Help..

20. The R students in a class agree to contribute equally to buy their teacher a birthday present that costs y dollars. If x of the students later fail to contribute their share, which of the following represents the additional number of dollars that each of the remaining students must contribute in...

by ramonsa

Wed Jun 03, 2009 1:34 pm
Forum: Data Sufficiency
Topic: Prob Solving Help..
Replies: 1
Views: 1114

PS Help...

19. If M and N are positive integers that have remainders of 1 and 3, respectively, when divided by 6, which of the following could NOT be a possible value of M+N?
(A) 86
(B) 52
(C) 34
(D) 28
(E) 10
Thanks

by ramonsa

Wed Jun 03, 2009 1:28 pm
Forum: Data Sufficiency
Topic: PS Help...
Replies: 1
Views: 1214

PS Help..

10. When ticket sales began, Pat was the nth customer in line for a ticket, and customers purchased their tickets at the rate of x customers per minute. Of the following, which best approximates the time, in minutes, that Pat had to wait in line from the moment ticket sales began? (A) (n - 1) x (B) ...

by ramonsa

Wed Jun 03, 2009 1:00 pm
Forum: Data Sufficiency
Topic: PS Help..
Replies: 0
Views: 1227

PS help!!

6. Of a certain high school graduating class, 75 percent of the students continued their formal education, and 80 percent of those who continued their formal education went to four-year colleges. If 300 students in the class went to four-year colleges, how many students were in the graduating class?...

by ramonsa

Wed Jun 03, 2009 12:56 pm
Forum: Data Sufficiency
Topic: PS help!!
Replies: 1
Views: 1055

Problem solving help!

5. If Jack walked 5 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour?
(A) 4
(B) 4.5
(C) 6
(D) 6.25
(E) 15
Thanks

by ramonsa

Wed Jun 03, 2009 12:52 pm
Forum: Data Sufficiency
Topic: Problem solving help!
Replies: 1
Views: 1688

Problem solving help!!

12. A bus trip of 450 miles would have taken 1 hour less if the average speed S for the trip had been greater by 5 miles per hour. What was the average speed S, in miles per hour, for the trip?
(A) 10
(B) 40
(C) 45
(D) 50
(E) 55
Thanks

by ramonsa

Tue Jun 02, 2009 4:00 pm
Forum: Data Sufficiency
Topic: Problem solving help!!
Replies: 3
Views: 1297