Search found 19 matches
Probability Problem
Hi, please help me with this problem !!! Thanks in advance ...
THE OA is D
ANSWERS:
a. 1/10
b. 1/8
c. 1/6
d. 1/5
e. 1/4
- by alsergi
Tue Nov 04, 2008 2:49 pm- Forum: Problem Solving
- Topic: Probability Problem
- Replies: 8
- Views: 1839
GMATPrep Geometry Problem Lenght Arc Parallel lines
Hi! Please help me with this. I have searched for this question in the forum but havent found ....
Thanks in advance, the OA is A.
- by alsergi
Tue Nov 04, 2008 12:52 am- Forum: Problem Solving
- Topic: GMATPrep Geometry Problem Lenght Arc Parallel lines
- Replies: 2
- Views: 2610
- by alsergi
Wed Oct 08, 2008 4:07 am- Forum: Problem Solving
- Topic: Powers and integers
- Replies: 4
- Views: 1815
Powers and integers
Please, could you help me with this? Thanks in advance!!!
If the units digit of n^33 is 7, which of the following could be the value for n?
I. n=41
II. n=43
III. n=47
a. Only I
b. Only II
c. Only III
d. I and II
e. II and III
- by alsergi
Wed Oct 08, 2008 1:24 am- Forum: Problem Solving
- Topic: Powers and integers
- Replies: 4
- Views: 1815
Inequities
Hope you could help me with this:
Thank you all!!!
Is a > b^2 ?
1. a>b^4
c. a >sqrt (b)
The right answer is C. ¿?
- by alsergi
Sun Sep 28, 2008 7:26 am- Forum: Data Sufficiency
- Topic: Inequities
- Replies: 5
- Views: 1711
Re: Inequities Data Sufficiency
Hi All !!! Could anyone help me with this, please? Thanks in advance: Is x <= 3 ? 1. 6x<= 24 2. 3x+1>=12 The answer is supposed to be D, but I dont get the point, I should tried B ... I dont understand the D since 1 states that x <= 4, so it could be less than 3 or between 3 and four so I think is ...
- by alsergi
Fri Sep 26, 2008 10:05 am- Forum: Data Sufficiency
- Topic: Inequities Data Sufficiency
- Replies: 2
- Views: 1441
Inequities Data Sufficiency
Hi All !!! Could anyone help me with this, please? Thanks in advance: Is x <= 3 ? 1. 6x<= 24 2. 3x+1>=12 The answer is supposed to be D, but I dont get the point, I should tried B ... I dont understand the D since 1 states that x <= 4, so it could be less than 3 or between 3 and four so I think is n...
- by alsergi
Fri Sep 26, 2008 8:06 am- Forum: Data Sufficiency
- Topic: Inequities Data Sufficiency
- Replies: 2
- Views: 1441
- by alsergi
Thu Sep 25, 2008 3:56 am- Forum: Data Sufficiency
- Topic: remainder data sufficiency question
- Replies: 8
- Views: 2346
Re: Powers and roots
Yes, definitely the right answer is B. Thank you all !!!!
alsergi wrote:Please help me with this!!!! Thanks in advance.
If 2^6 < x < 2^8, is x closer to 2^6 or 2^8 ?
1. x is closer to 2^4 than to 2^9
2. x is closer to 2^5 than to 2^7
- by alsergi
Thu Sep 25, 2008 3:48 am- Forum: Data Sufficiency
- Topic: Powers and roots
- Replies: 6
- Views: 1645
Powers and roots
Please could anyone help me with this?
Thanks in advance ...
If ( 1/2 * (400^300 + 20^ 600) )^4 = 400^k what is the value of k ?
a. 400
b.600
c. 800
d. 1200
e. 2400
Right answer is d, but I dont know how to solve it ...
- by alsergi
Thu Sep 25, 2008 3:13 am- Forum: Problem Solving
- Topic: Powers and roots
- Replies: 2
- Views: 1848
Powers and roots
Please help me with this!!!! Thanks in advance.
If 2^6 < x < 2^8, is x closer to 2^6 or 2^8 ?
1. x is closer to 2^4 than to 2^9
2. x is closer to 2^5 than to 2^7
- by alsergi
Wed Sep 24, 2008 1:30 am- Forum: Data Sufficiency
- Topic: Powers and roots
- Replies: 6
- Views: 1645
remainder data sufficiency question
Please, could you help me with this question? If n is the sum of three consecutive nonnegative integers p, s and t, with p<s<t, and n is also the product of three consecutive nonnegative integers x, y and z, with x<y<z What is the remainder when n is divided by 5? 1. The remainder when p is divided ...
- by alsergi
Tue Sep 23, 2008 3:48 am- Forum: Data Sufficiency
- Topic: remainder data sufficiency question
- Replies: 8
- Views: 2346
Thank you very much sudhir3127, but I dont agree with you ... I agree with the first statement but not with the second 1 - 1/10 would be the probability of AT LEAST one man, not the probability of 2 women so, you cant answer B ... The right answer is E, but I dont understand exactly why ... Thank yo...
- by alsergi
Fri Aug 22, 2008 5:11 am- Forum: Data Sufficiency
- Topic: Probability Problem
- Replies: 5
- Views: 1695
Probability Problem
Please, help me with this, problem, I am a little bit confused ... If 2 different representatives are about to be selected from a group of 10 employees and if x is the probability that both representatives are women , is x > 1/2 ? 1. More than 1 / 2 of the employees are women. 2. The probability tha...
- by alsergi
Fri Aug 22, 2008 1:46 am- Forum: Data Sufficiency
- Topic: Probability Problem
- Replies: 5
- Views: 1695
- by alsergi
Thu Aug 21, 2008 8:37 am- Forum: Data Sufficiency
- Topic: Inequities
- Replies: 3
- Views: 1622