Search found 10 matches
school administrator - can u please check?
A school administrator will assign each student in a group of n students to one of m classrooms. If 3<M<13<N, is it possible to assign each of the n students to one of the m classrooms so that each classroom has the same number of students assigned to it? (1) It is possible to assign each of 3n stud...
- by maoriba
Fri Nov 26, 2010 2:22 am- Forum: Data Sufficiency
- Topic: school administrator - can u please check?
- Replies: 1
- Views: 968
the max age of ocean can be calculated as: increase in slat levels in ocean in past 100 years + n of centuries such increases went on, from a initial time of 0 salt. so AGE OF EARTH + INCREASE IN SALT IN ONE CENTURY * N CENTURIES = TOT. SALT IN OCEAN NOW In order for this equation to work we must as...
- by maoriba
Wed Nov 24, 2010 7:41 am- Forum: Critical Reasoning
- Topic: Earth's river salt into ocean
- Replies: 25
- Views: 14064
work problem - tutors help me please
It takes n Type 1 machines six times as long to produce 120 bolts as it takes 2n Type 2 machines, with each machine running at a constant rate that is the same for all machines of a particular type. Together, one Type 1 machine and one Type 2 machine can make 24/n bolts in 4 hours. How many hours wi...
- by maoriba
Wed Nov 24, 2010 6:38 am- Forum: Problem Solving
- Topic: work problem - tutors help me please
- Replies: 3
- Views: 1365
units, tens and hundred digits
HEllo, here is Question 110 of the D.S. from O.g. The product of the units digit, the tens digit, and the hundreds digit of the positive integer m is 96. What is the units digit of m? (1) m is odd (2) the hundreds digit of m is 8 (1) if m is odd, the units digit is 1, 3, 5, 7, 9 96= 2*48= 2*2*24= 2*...
- by maoriba
Sat Nov 20, 2010 2:41 am- Forum: Data Sufficiency
- Topic: units, tens and hundred digits
- Replies: 1
- Views: 2080
His campaign for sanitary conditions in operating rooms finally successful, Sir Joseph Lister lent his name to the company that developed Listerine, the first antibacterial liquid. 1.His campaign for sanitary conditions in operating rooms finally successful LACKS THE VERB TO BE 2.Since his campaign...
- by maoriba
Fri Nov 19, 2010 6:57 am- Forum: Sentence Correction
- Topic: Modifier/Misc: PR Cat Question
- Replies: 41
- Views: 25886
22. Neanderthals had a vocal tract that resembled those of the apes and so were probably without language, a shortcoming that may explain why they were supplanted by our own species. (A) Neanderthals had a vocal tract that resembled those of the apes (A VOCAL TRACT VS. VOCAL TRACTS) (B) Neanderthal...
- by maoriba
Fri Nov 19, 2010 6:48 am- Forum: Sentence Correction
- Topic: Neanderthals had a vocal tract
- Replies: 75
- Views: 43193
Traveling the back roads of Hungary, in 1905 Béla Bartók and Zoltán Kodály began their pioneering work in ethnomusicology, and they were armed only [/u]with an Edison phonograph and insatiable curiosity. (A) Traveling (MODIFIER OUT OF POSITION, SHOULD STAY NEXT TO THE SUBJECT) the back roads of ...
- by maoriba
Fri Nov 19, 2010 6:40 am- Forum: Sentence Correction
- Topic: SC problem
- Replies: 6
- Views: 1681
exam in 15 days,
hello,
my gmat is in 15 days...
I am registered to the 60 days preparation, but I would like to receive the last 15 days of that preparation...would it be possible?
Thank you,
Barbara
- by maoriba
Wed Nov 17, 2010 9:00 am- Forum: The 60-Day GMAT Study Guide
- Topic: exam in 15 days,
- Replies: 0
- Views: 1546
hey...the issue is quite easy. equation if circle is (x-xC)^2 + (y-yC)^2 = 5^2, right? so, considering the centre is in 0, 0, xC and Yc are equal to 0, the equation turns into x^2 + y^2 = 25. Which can be the values of x & y to satisfy this equation? if x= 0, the equation egts transformed into y...
- by maoriba
Fri Nov 12, 2010 4:19 am- Forum: Problem Solving
- Topic: Points on circle
- Replies: 34
- Views: 30920
work / rate
HEllo, can u please help me wiht this one? A bathtub has two faucets, P and Q, and one drain. Faucet P alone can fill the whole tub in ten minutes, and faucet Q alone can fill the whole tub four minutes faster than the drain can empty the whole tub. With faucets P and Q both running and the drain un...
- by maoriba
Fri Nov 12, 2010 3:05 am- Forum: Problem Solving
- Topic: work / rate
- Replies: 8
- Views: 2005