Search found 64 matches
By what percent is the time taken by 12 men to complete a particular task greater than the time taken by 10 women to complete the same task? (1) The time taken by 6 men to complete a particular task is 25% more than the time taken by 5 women to complete the same task. (2) The time taken by 10 men t...
- by tabsang
Fri Dec 28, 2012 10:32 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka II : Work-Rate and Percentages
- Replies: 4
- Views: 1086
- by tabsang
Fri Dec 28, 2012 10:22 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka II : Work-Rate and Percentages
- Replies: 4
- Views: 1086
- by tabsang
Fri Dec 28, 2012 7:31 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka I : Averages.
- Replies: 3
- Views: 1034
D.S. Dhamaka III : Probability
Is the probability of an element in Set B also being an element in Set A equal to the probability of an element in Set A also being an element in Set B? (1) Set A consists of all integers from 1 through 5 and Set B consists of all prime numbers less than 10. (2) Set A consists of all odd numbers bet...
- by tabsang
Fri Dec 28, 2012 4:42 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka III : Probability
- Replies: 4
- Views: 1168
D.S. Dhamaka II : Work-Rate and Percentages
By what percent is the time taken by 12 men to complete a particular task greater than the time taken by 10 women to complete the same task? (1) The time taken by 6 men to complete a particular task is 25% more than the time taken by 5 women to complete the same task. (2) The time taken by 10 men to...
- by tabsang
Fri Dec 28, 2012 4:37 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka II : Work-Rate and Percentages
- Replies: 4
- Views: 1086
D.S. Dhamaka I : Averages.
The average scores in two classes A and B in a particular test are 60 and 75 respectively. What is the average score of the two classes taken together? (1) The number of students in class A is 50% more than the number of students in class B. (2) The number of students in the two classes A and B are ...
- by tabsang
Fri Dec 28, 2012 4:18 am- Forum: Data Sufficiency
- Topic: D.S. Dhamaka I : Averages.
- Replies: 3
- Views: 1034
This from a printed set of questions that I have.anirudhadhopate wrote:IMO D should be the answer. What is the answer?
Btw what is source of this problem?
The OA is (A) but I've verified that the correct answer is infact (D).
So Cheers, You got it spot on
,Taz
- by tabsang
Wed Dec 26, 2012 9:34 am- Forum: Problem Solving
- Topic: Probability: Amy and her deck of cards
- Replies: 4
- Views: 1255
At the Butterfly Scout Cookie Chow Down, each girl was given equal time to decorate as many cookies as possible. If the winner took an average of 20 seconds to decorate each cookie, how many cookies did the second-place finisher decorate? (1) The second-place finisher was only able to decorate at h...
- by tabsang
Wed Dec 26, 2012 5:41 am- Forum: Data Sufficiency
- Topic: Cookie DS.
- Replies: 1
- Views: 1572
146. There are less than 50 books are to be divided by students. If the books are divided by 7 students, one book will be left. How many books are there? (1) If the books are divided by 9 students, 8 books will be left. (2) If the books are divided by 5 students, 3 books will be left. [spoiler] Ans...
- by tabsang
Wed Dec 26, 2012 5:21 am- Forum: Data Sufficiency
- Topic: Word Problems with Ratios and Remainders
- Replies: 26
- Views: 15820
I would like to know if there is a better way to solve this. I was wondering if you could plug in the answer choices and if so how to go about doing this. I have repeated the question and also posted the answer choices as someone mentioned above that there were no answer choices and I am seeking an...
- by tabsang
Wed Dec 26, 2012 12:30 am- Forum: Problem Solving
- Topic: Question, need some help.
- Replies: 7
- Views: 2259
If x and y are integers and (15^x + 15^x+1)/4^y = 15^y,
what is the value of x?
A. 2
B. 3
C. 4
D. 5
E. Cannot be determined
OA: A
- by tabsang
Tue Dec 25, 2012 11:45 pm- Forum: Problem Solving
- Topic: Question, need some help.
- Replies: 7
- Views: 2259
Agreed. The question is questionable. (1) and (2) contradict each other.puneetkhurana2000 wrote:This question does not seem to be an actual GMAT question, what is the source?
Thanks
Puneet
This question is from the study material of a local GMAT tutorial.
- by tabsang
Tue Dec 25, 2012 10:07 am- Forum: Data Sufficiency
- Topic: Probability: Tough Nut
- Replies: 5
- Views: 1464
Thanks Puneet for the solutions but I'm still a bit confused 
This type (approximation) has been a weakness.
I did get [spoiler](D)[/spoiler] but I'm not sure if it was the right approach
Experts please help
- by tabsang
Tue Dec 25, 2012 3:32 am- Forum: Problem Solving
- Topic: arithmetic problem
- Replies: 8
- Views: 2596
Statement 1) 2R is evenly divisible by 3, so 2R can be 3,6,9,12,15...so acceptable values of R are 3,6,9... Hey Puneet, As per your explanation, if 2R can be 3,6,9,12,15... ... so according to that, the first acceptable value of R would be 3/2 right (for 2R to be 3)? Now since R is an integer and 2...
- by tabsang
Tue Dec 25, 2012 2:08 am- Forum: Data Sufficiency
- Topic: Divisibility DS
- Replies: 4
- Views: 1243
If R is an integer, is R evenly divisible by 3? (1) 2R is evenly divisible by 3 (2) 3R is evenly divisible by 3 Statement 1: 2R is evenly divisible by 3 Let's examine this a little closely: 2 x R is evenly divisible by 3 Since 2 is definitely not divisible by 3, for the condition to be true, R has ...
- by tabsang
Tue Dec 25, 2012 1:58 am- Forum: Data Sufficiency
- Topic: Divisibility DS
- Replies: 4
- Views: 1243