Search found 11 matches
- by joinn
Tue Jul 19, 2011 9:06 pm- Forum: Data Sufficiency
- Topic: Inequlaities
- Replies: 2
- Views: 2051
percents
source: OG 12 th edition,Q.No 129, page no 284 Q:What is the median number of employees assigned per project for the projects at company Z ? 1) 25 percent of the projects at company Z have 4 or more employees assigned to each project. 2) 35 percent of the projects at company Z have 2 or fewer employ...
- by joinn
Sun Jul 10, 2011 3:50 am- Forum: Data Sufficiency
- Topic: percents
- Replies: 1
- Views: 1019
Standard Deviation
The class mean score on a test was 60, and the standard deviation was 15. If Elena's
score was within 2 standard deviations of the mean, what is the lowest score she
could have received?
Pals could anyone please explain in detail as I am not satisfied with the manhattan gmat word book's explanation.
- by joinn
Fri Jul 08, 2011 5:01 am- Forum: Problem Solving
- Topic: Standard Deviation
- Replies: 3
- Views: 1532
Regarding Kaplan GMAT quiz bank
Is kaplan quiz bank worth ? Are there any questions added are harder than other ? currently I have loads of material. Books such as manhattan 8 book series, kaplan premier book along with CD, veritas total material and online materail. Is there any thing can I learn from kaplan quiz bank ? please le...
- by joinn
Thu Jul 07, 2011 11:08 pm- Forum: Ask a Kaplan representative
- Topic: Regarding Kaplan GMAT quiz bank
- Replies: 1
- Views: 3209
averages
if a drink is made by mixing 2 shots of a liquor containing 15% alcohol with 3 shots of a liquor containing 20% alcohol, what is the content of the mixed alcohol drink. How to solve this problem. This problem is from weighted averages chapter from manhattan math book series no 4. pals no options ava...
- by joinn
Wed Jul 06, 2011 8:49 pm- Forum: Problem Solving
- Topic: averages
- Replies: 3
- Views: 1107
Permitations and combinations
Gordon buys 5 dolls for his 5 nieces. The gifts include two identical Sun-and-Fun beach dolls, one Elegant Eddie dress-up doll, one G.!. Josie army doll, and one Tulip Troll doll. If the youngest niece does not want the G.!. Josie doll, in how many different ways can he give the gifts pals please he...
- by joinn
Wed Jul 06, 2011 2:24 am- Forum: Problem Solving
- Topic: Permitations and combinations
- Replies: 1
- Views: 1163
Permitations and combinations
The principal of a high school needs to schedule observations of 6 teachers. She plans to visit one teacher each day for a workweek (Monday through Friday), so she will only have time to see 5 of the teachers. How many different observation schedules can she create? the answer is 6!. how come it is ...
- by joinn
Wed Jul 06, 2011 1:59 am- Forum: Problem Solving
- Topic: Permitations and combinations
- Replies: 1
- Views: 1309
mixtures mgmat series no 2 book
A feed store sells two varieties of birdseed: Brand A, which is 40% millet and 60% sunflower, and Brand B, which is 65% millet and 35% safflower. If a customer purchases a mix of the two types of birdseed that is 50% millet, what percent of the mix is Brand A? no options available as the problem is ...
- by joinn
Thu Jun 30, 2011 7:41 pm- Forum: Problem Solving
- Topic: mixtures mgmat series no 2 book
- Replies: 1
- Views: 875
yeah my doubt is from third step
when 11!*21! divides 22! then what about 22*20*19*18*17*16*15*14*13*12 aren't these also not remainders ?
- by joinn
Mon Jun 27, 2011 6:10 pm- Forum: Problem Solving
- Topic: Number properties
- Replies: 6
- Views: 1135
- by joinn
Sat Jun 25, 2011 9:00 am- Forum: Problem Solving
- Topic: Number properties
- Replies: 6
- Views: 1135
Number properties
find the remainder when 3(12!)-15(11!)divides 22(11!)+22!
a) 11! b) 10! c)12! d) 9! e) 8!
- by joinn
Wed Jun 22, 2011 10:13 am- Forum: Problem Solving
- Topic: Number properties
- Replies: 6
- Views: 1135