Search found 269 matches
- by prachi18oct
Sat Aug 01, 2015 6:22 pm- Forum: Data Sufficiency
- Topic: Probability Q
- Replies: 4
- Views: 1957
SC
The company’s efforts to seek advance orders for its computers will set off an intense new phase with its chief rival, one determined more by how efficiently each company can produce computers than by their visions. a one determined more by how efficiently each company can produce computers than b...
- by prachi18oct
Sat Aug 01, 2015 5:42 pm- Forum: Sentence Correction
- Topic: SC
- Replies: 4
- Views: 1998
Probability Q
In order to make the national tennis team, Matt has to play a three-game series against Larry and Steve, and in doing so win two games in a row. He's given a choice, however: he can choose the order in which he plays against his opponents but cannot play the same opponent in consecutive games (so he...
- by prachi18oct
Sat Aug 01, 2015 4:34 pm- Forum: Data Sufficiency
- Topic: Probability Q
- Replies: 4
- Views: 1957
Calculation- pattern
The sum of the digits used to write the calculation 10 + 11 + 12 + 13 is 10 (as in 1 + 0 + 1 + 1 + 1 + 2 + 1 + 3). What is the sum of the digits used to write the calculation for the sum of the integers from 1 to 110, inclusive?
A 900
B 911
C 955
D 957
E 1001
Please explain a quick solution
- by prachi18oct
Sat Aug 01, 2015 4:24 pm- Forum: Problem Solving
- Topic: Calculation- pattern
- Replies: 2
- Views: 1255
Pls explain
If |x| > 3, then which of the following must be true? (1) x > 3 (2) x^2 > 9 (3) |x-1| > 2 A. (1) only B. (2) only C. (1) and (2) only D. (2) and (3) only E. (1),(2) and (3) My only doubt here is with statement 3. |x-1| > 3 => x > 3 or x < -1 x > 3 is fine as |x| > 3 for all those x but if x < -1 the...
- by prachi18oct
Fri Jul 31, 2015 8:10 am- Forum: Problem Solving
- Topic: Pls explain
- Replies: 8
- Views: 3333
- by prachi18oct
Mon Jul 27, 2015 9:01 am- Forum: Data Sufficiency
- Topic: I would like some advice on DS questions
- Replies: 6
- Views: 2788
Hi GMATGuruNY, Will the probability of picking the second ball as red not change if the first ball picked is also red? I did it as follows:- P(second ball as red) = Prob of first red ball * prob of second red ball + prob of first non-red ball * prob of second ball as red => 2/9 * 1/8 + 7/9 * 2/8 = 1...
- by prachi18oct
Mon Jul 27, 2015 6:05 am- Forum: Problem Solving
- Topic: Probability
- Replies: 5
- Views: 2861
Geometry
If the ratio between the diagonal of a square and the height of an equilateral triangle is 5/3, respectively, what is the ratio of their areas? A 5√3/6 B 5√3/18 C 25√3/9 D 25√3/18 E 25/18 Let side of square be a and side of triangle be a' Ratio of diagonal and height of eq triangle = a√2/ ...
- by prachi18oct
Sun Jul 26, 2015 9:19 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 3
- Views: 1319
Option D does not have a corresponding verb for the subject "per-capita statistics". The use of "which" makes this sentence incorrect. Also the part bfore the first comma "Quite useful...cities" and the part after "especially crime rates" should be in contrast...
- by prachi18oct
Sat Jul 25, 2015 7:50 am- Forum: Sentence Correction
- Topic: facilitating comparisons between cities
- Replies: 9
- Views: 4063
The examples should use "such as" and not like. but here in all options we see "like" is used for examples for inaccessible locations. How and why is this SC not incorrect ? Is this construction acceptable on GMAT ?
- by prachi18oct
Sat Jul 25, 2015 7:44 am- Forum: Sentence Correction
- Topic: No option with "such as" ?
- Replies: 6
- Views: 2017
Hi GMATGuruNY,
I was confused with the use of "much". I thought it refers to the voters, who are countable so "many" should have been used and so I eliminated A. I still dont understand completely how it refers to the agreement and not voters. Please advise.
- by prachi18oct
Sat Jul 25, 2015 7:42 am- Forum: Sentence Correction
- Topic: Please explain
- Replies: 6
- Views: 2344
No option with "such as" ?
More than have any of its competitors, Dynacorp, which will release its annual earnings report on Friday, is staking its future on the business of bringing shale gas from formerly inaccessible locations like the Arctic and energy-hungry nations like India and China . A) More than have any of its co...
- by prachi18oct
Fri Jul 24, 2015 3:21 pm- Forum: Sentence Correction
- Topic: No option with "such as" ?
- Replies: 6
- Views: 2017
Please explain
However much governments around the world may agree that nuclear proliferation must be halted and that steps should be implemented to reduce the level of nuclear stockpiles, it is difficult for countries to come to agreement on the specific methods of implementing such practices. A However much gov...
- by prachi18oct
Fri Jul 24, 2015 3:14 pm- Forum: Sentence Correction
- Topic: Please explain
- Replies: 6
- Views: 2344
The trip takes 25% less time at 30 miles per hour than at 25 miles per hour. (faster rate)/(slower rate) = (30 mph)/(25 mph) = 6/5. Since rate and time are RECIPROCALS, 6/5 the rate implies 5/6 the time. Thus, the trip at 30mph must take 1/6 LESS TIME than the trip at 25mph -- contradicting stateme...
- by prachi18oct
Tue Jul 21, 2015 4:24 pm- Forum: Data Sufficiency
- Topic: DS Speed-Time
- Replies: 3
- Views: 1482
DS Speed-Time
Ian's car has four tires each with a radius of 7 inches. How many rotations will one tire make as it travels from his school to his house? (1) The trip takes 25% less time at 30 miles per hour than at 25 miles per hour. (2) The route Ian takes is uphill for .7 miles and therefore that portion takes ...
- by prachi18oct
Tue Jul 21, 2015 1:54 pm- Forum: Data Sufficiency
- Topic: DS Speed-Time
- Replies: 3
- Views: 1482