Search found 58 matches
Please explain the answer
If 60! is written out as an integer, with how many consecutive 0’s will that integer end?
6
12
14
42
56
- by ru2008
Fri Sep 24, 2010 3:52 pm- Forum: Data Sufficiency
- Topic: Please explain the answer
- Replies: 3
- Views: 1236
Difference in squares: MGMAT
If x and y are integers such that x < y < 0, what is x – y?
(1) (x + y)(x – y) = 5
(2) xy = 6
Please explain your answer as much as possible
- by ru2008
Fri Sep 24, 2010 1:41 pm- Forum: Data Sufficiency
- Topic: Difference in squares: MGMAT
- Replies: 1
- Views: 1037
MGMAT Triangle properties
Can we not assume that AD is a perpendicular bisector of BC?
If AD is 6, and ADC is a right angle, what is the area of triangular region ABC?
(1) Angle ABD = 60°
(2) AC = 12
- by ru2008
Fri Sep 24, 2010 1:29 pm- Forum: Data Sufficiency
- Topic: MGMAT Triangle properties
- Replies: 14
- Views: 5187
- by ru2008
Wed Sep 22, 2010 6:42 am- Forum: Sentence Correction
- Topic: ZZZ: OG Q / That Parallelism / Participial Phrase
- Replies: 14
- Views: 4783
- by ru2008
Wed Sep 22, 2010 6:37 am- Forum: Sentence Correction
- Topic: The world wildlife fund has declared that global warming
- Replies: 42
- Views: 31775
- by ru2008
Wed Sep 22, 2010 6:32 am- Forum: Sentence Correction
- Topic: SC Problems
- Replies: 4
- Views: 1389
- by ru2008
Wed Sep 22, 2010 6:13 am- Forum: Sentence Correction
- Topic: Milking Cows - Uber Tough One
- Replies: 16
- Views: 4152
- by ru2008
Wed Sep 22, 2010 6:04 am- Forum: Sentence Correction
- Topic: To Henry David Thoreau, harmony with nature
- Replies: 7
- Views: 2954
- by ru2008
Wed Sep 22, 2010 5:59 am- Forum: Sentence Correction
- Topic: Nubians - Tough One
- Replies: 10
- Views: 3181
- by ru2008
Wed Sep 22, 2010 5:57 am- Forum: Sentence Correction
- Topic: WAS/WERE
- Replies: 3
- Views: 1629
Rate problem
Car B begins moving at 2 mph around a circular track with a radius of 10 miles. Ten hours later, Car A leaves from the same point in the opposite direction, traveling at 3 mph. For how many hours will Car B have been traveling when car A has passed and moved 12 miles beyond Car B? 4 * (pi)– 1.6 4 ...
- by ru2008
Mon Sep 06, 2010 5:54 am- Forum: Problem Solving
- Topic: Rate problem
- Replies: 4
- Views: 1327
Integers, is there a better explanation for this?
If x is an integer, then x(x – 1)(x – k) must be evenly divisible by three when k is any of the following values EXCEPT
-4
-2
-1
2
5
- by ru2008
Mon Sep 06, 2010 5:11 am- Forum: Problem Solving
- Topic: Integers, is there a better explanation for this?
- Replies: 7
- Views: 1880
Diagonal of a cube= 10 ^3
Half of the diagonal= 5^3
Radius of the sphere = 5
Shortest distance= 5^3-5
- by ru2008
Mon Sep 06, 2010 4:44 am- Forum: Problem Solving
- Topic: sphere is inscribed in a cube
- Replies: 9
- Views: 2753
FC VC
The total cost of producing item X is equal to the sum of item X's fixed cost and variable cost. If the variable cost of producing X decreased by 5% in January, by what percent did the total cost of producing item X change in January? (1) The fixed cost of producing item X increased by 13% in Januar...
- by ru2008
Fri Sep 03, 2010 11:07 am- Forum: Data Sufficiency
- Topic: FC VC
- Replies: 2
- Views: 1223
- by ru2008
Fri Sep 03, 2010 10:56 am- Forum: Data Sufficiency
- Topic: Digits, power
- Replies: 8
- Views: 1520