Search found 46 matches
- by ukr.net
Wed Feb 27, 2008 4:30 am- Forum: Problem Solving
- Topic: PS, tough probability
- Replies: 14
- Views: 5051
PS GMATPrep
For which of the following functions is f(a+b)=f(a)+f(b) for allpositive numbers a and b?
f(x)=x^2
f(x)=x+1
f(x)=sqrt x
f(x)=2/x
f(x)=-3x
- by ukr.net
Thu Dec 20, 2007 9:30 am- Forum: Problem Solving
- Topic: PS GMATPrep
- Replies: 1
- Views: 1443
- by ukr.net
Sun Dec 16, 2007 5:17 am- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 6
- Views: 2069
- by ukr.net
Fri Dec 14, 2007 12:31 pm- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 6
- Views: 2069
- by ukr.net
Fri Dec 14, 2007 10:11 am- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 2
- Views: 1758
- by ukr.net
Fri Dec 14, 2007 10:04 am- Forum: Data Sufficiency
- Topic: Ds GMATPrep
- Replies: 2
- Views: 1684
- by ukr.net
Fri Dec 14, 2007 10:02 am- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 6
- Views: 2069
- by ukr.net
Fri Dec 14, 2007 9:59 am- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 2
- Views: 1470
- by ukr.net
Fri Dec 14, 2007 9:53 am- Forum: Data Sufficiency
- Topic: DS GMATPrep
- Replies: 2
- Views: 1470
- by ukr.net
Tue Dec 11, 2007 10:24 am- Forum: Problem Solving
- Topic: PS combinations,manhattan
- Replies: 4
- Views: 1596
PS combinations,manhattan
There are 7 executives, including CEO & CFO, that are asked to form a task force of 5 members. However, CEO & CFO may not both be assigned to the task force. Given this, how many ways are there to form the task force among the 7 executives?
6
10
11
21
28
- by ukr.net
Mon Dec 10, 2007 10:14 am- Forum: Problem Solving
- Topic: PS combinations,manhattan
- Replies: 4
- Views: 1596
- by ukr.net
Sun Dec 09, 2007 3:00 am- Forum: Problem Solving
- Topic: PS, tough probability
- Replies: 14
- Views: 5051
PS, mixture,Manhattan
Solution A is 20% salt and solution B is 80% salt. If you have 30 ounces of solution A and 60 ounces of solutionB, in what ratio could you mix solution A with solution B to produce 50 ounces of a 50% salt solution?
6:4
6:14
4:4
4:6
3:7
- by ukr.net
Fri Dec 07, 2007 7:43 am- Forum: Problem Solving
- Topic: PS, mixture,Manhattan
- Replies: 1
- Views: 1445
PS, tough probability
Richard has 3 green, 2 red, and 3 blue balls in a bag.He randomly picks 5 from the bag without replacement.What is the probability that of the 5 drawn balls, Richard has picked 1red, 2 green, and 2 blue balls?
8/28
9/28
10/28
10/18
11/18
- by ukr.net
Fri Dec 07, 2007 7:35 am- Forum: Problem Solving
- Topic: PS, tough probability
- Replies: 14
- Views: 5051
DS
Is the sum of a series of n consecutive integers even?
1) n=6
2) The n digit number formed by the series is a multiple of nine.
ANS is D
What exactly does the tatement 2 means?
- by ukr.net
Thu Dec 06, 2007 9:52 am- Forum: Data Sufficiency
- Topic: DS
- Replies: 4
- Views: 2099