Search found 8 matches
Nobody knows
A couple of things: 1. I am confused with 'it'. I originally suspected that 'them' would be more appropriate because of 'a language and the sublanguages...'. The plural 'sublanguages' had me confused. Should I have automatically assumed 'it' would be proper because of 'between' instead of 'among'? 2...
- by Rospino
Thu Apr 03, 2014 4:05 pm- Forum: Sentence Correction
- Topic: Nobody knows
- Replies: 2
- Views: 1655
Brent,
Thank you very much for the explanation. It was very clear. Also, the concept you mentioned will definitely save me time on the exam.
Regards,IMPORTANT CONCEPT: If K is an integer, then √K will be an integer if the prime factorization of K has an even number of each prime.
Ricardo
- by Rospino
Mon Mar 31, 2014 5:04 pm- Forum: Data Sufficiency
- Topic: If x is a positive integer, is sqrt(x) an integer?
- Replies: 9
- Views: 11646
If x is a positive integer, is sqrt(x) an integer?
If x is a positive integer, is sqrt(x) an integer? (1) sqrt(4x) is an integer (2) sqrt(3x) is not an integer OA: A I used the plug in number approach. However, this problem took me about 3.5 mins - 1.5 mins too long. Any quicker ways? (1) sqrt(4x) is an integer a. if x = 1, then sqrt(4x) = 2, then s...
- by Rospino
Mon Mar 31, 2014 4:47 pm- Forum: Data Sufficiency
- Topic: If x is a positive integer, is sqrt(x) an integer?
- Replies: 9
- Views: 11646
GMATGuruNY,
Thank you very much for your quick reply.
I like the following conclusion you made: "Since the statements are in terms of a and b, rephrase the question stem in terms of a and b." That's a nice little trick that I will keep in mind for future DS problems.
Regards,
Ricardo
- by Rospino
Fri Mar 21, 2014 8:19 am- Forum: Data Sufficiency
- Topic: Data Sufficiency
- Replies: 2
- Views: 1357
Data Sufficiency
I saw the following question posted on the website but, for some reason, I could not find the method used to solve the problem. I have the following concerns with this question: - Please let me know if what I have stated below is correct. - If so, is there a faster way to understand this problem? Th...
- by Rospino
Fri Mar 21, 2014 6:46 am- Forum: Data Sufficiency
- Topic: Data Sufficiency
- Replies: 2
- Views: 1357
Camping Trip & Town Distance
A. On a camping trip, X campers each paid Y dollars per food. What percent of the total food expenses did each camper pay? (1) If there were one fewer camper, each camper would owe 1 dollar more. (2) If there were half as many campers, each camper would owe 7 dollars more. B. What is the distance fr...
- by Rospino
Thu Jun 21, 2012 3:35 pm- Forum: Data Sufficiency
- Topic: Camping Trip & Town Distance
- Replies: 5
- Views: 1813
Problem Solving
The value of x^y is how many times the value of [(x^y)(x^(y+1))(x^(y+2))(x^(y+3))]/x?
A. x^y
B. x^(4y+5)
C. x^(4y+6)
D. x^(-3y-5)
E. x^(-4y-5)
- by Rospino
Mon Jun 11, 2012 5:24 am- Forum: Problem Solving
- Topic: Problem Solving
- Replies: 2
- Views: 805
Data Sufficiency Question
Is the integer y a multiple of 4? (1) 3(y^2) is a multiple of 18. (2) y = p/q, where p is a multiple of 12 and q is a multiple of 3. I. DVY NO SINFO (Acronym I use for Data Sufficiency. DVY NO = Determine Value, Yes/No. S = Simplify. Info = What information is needed?) II. Solve for Statements 1 and...
- by Rospino
Thu May 24, 2012 5:20 am- Forum: Data Sufficiency
- Topic: Data Sufficiency Question
- Replies: 1
- Views: 1006