Search found 16 matches
MGMAT CAT 4
The number of new cases of tuberculosis diagnosed in Country X increased dramatically this year. The country's news media have speculated that the sharp increase in new cases is the result of the tuberculosis outbreak that occurred in neighboring Country Y last year. Health officials in Country X ha...
- by fsutanto
Sat Oct 02, 2010 10:44 pm- Forum: Critical Reasoning
- Topic: MGMAT CAT 4
- Replies: 3
- Views: 1739
- by fsutanto
Sat Oct 02, 2010 1:36 am- Forum: Sentence Correction
- Topic: Achaemenid Empire
- Replies: 4
- Views: 1356
MGMAT 3 - Hard Probability
In a room filled with 7 people, 4 people have exactly 1 sibling in the room and 3 people have exactly 2 siblings in the room. If two individuals are selected from the room at random, what is the probability that those two individuals are NOT siblings? (a) 5/21 (b) 3/7 (c) 4/7 (d) 5/7 (e) 16/21 OA: [...
- by fsutanto
Sat Oct 02, 2010 1:11 am- Forum: Problem Solving
- Topic: MGMAT 3 - Hard Probability
- Replies: 1
- Views: 1068
Achaemenid Empire
Can anyone help answer why the answer is [spoiler](C)[/spoiler] instead of [spoiler](D)[/spoiler]?
Shouldn't the verb "derive" be in the singular form "derives" since it is referring to the singular noun Achaemenid Script?
- by fsutanto
Fri Oct 01, 2010 8:44 am- Forum: Sentence Correction
- Topic: Achaemenid Empire
- Replies: 4
- Views: 1356
- by fsutanto
Tue Sep 28, 2010 12:04 am- Forum: Critical Reasoning
- Topic: a question from gmat verbal..................
- Replies: 8
- Views: 7544
- by fsutanto
Mon Sep 27, 2010 12:15 am- Forum: Sentence Correction
- Topic: Comparison#11
- Replies: 8
- Views: 1522
I would approach this by plugging values... Since it is stated that x is negative, we can easily narrow down our test values... Test for (1): if x = -2 , (1) not true if x = -4 , (1) stands when X < -3. Therefore (1) is sufficient Test for (2): If x = -2 , (2) -8 is NOT less than -9, therefore not t...
- by fsutanto
Sun Sep 26, 2010 9:53 am- Forum: Problem Solving
- Topic: X is negative
- Replies: 3
- Views: 1753
Thanks for your reply...
I did the same approach when doing this problem, x + x + x*sqrt(2) = 16 + 16*sqrt(2). But how do you deduce the hypotenuse = 16 just from the algebra shown above? I'm still not following the logic...
Can anyone help?
- by fsutanto
Sun Sep 26, 2010 9:46 am- Forum: Problem Solving
- Topic: Triangle/Isoceles
- Replies: 5
- Views: 1536
GMAT Prep1 - Numbers
I had a closer look at the question and am still convinced that the answer should be (c). According to GMAT, the correct answer is (a), statement I is sufficient. How is it sufficient? What if S lies to the left (i.e. negative number) of zero and T lies to the right (positive) of zero? This would ma...
- by fsutanto
Sun Sep 26, 2010 9:41 am- Forum: Data Sufficiency
- Topic: GMAT Prep1 - Numbers
- Replies: 3
- Views: 1160
- by fsutanto
Sun Sep 26, 2010 9:35 am- Forum: Data Sufficiency
- Topic: GMAT Prep1 - Hard Cons. Integers
- Replies: 1
- Views: 919
GMAT Prep1
What is the greatest common divisor of positive integers m and n?
(1) m is a prime number
(2) 2n = 7m
The correct answer is [spoiler](c)[/spoiler], but what's the logic? Anyone? Thanks!
- by fsutanto
Sun Sep 26, 2010 9:26 am- Forum: Data Sufficiency
- Topic: GMAT Prep1
- Replies: 1
- Views: 884
I think the image is a bit too small... Let me write the question down...
The perimeter of a certain isosceles right triangle is 16 + 16*sqrt(2). What is the length of the hypotenuse of the triangle?
(a) 8
(b) 16
(c) 4*sqrt(2)
(d) 8*sqrt(2)
(e) 16*sqrt(2)
- by fsutanto
Sun Sep 26, 2010 9:23 am- Forum: Problem Solving
- Topic: Triangle/Isoceles
- Replies: 5
- Views: 1536
Triangle/Isoceles
The answer for below is (b) 16, can anyone help explain how you solve for this? Tks.
- by fsutanto
Sun Sep 26, 2010 9:20 am- Forum: Problem Solving
- Topic: Triangle/Isoceles
- Replies: 5
- Views: 1536
Saurabh, I would answer it this way... # of people who answered NO to question 1: (3/4)N # of people who answered YES to question 1 AND NO to question 2: (1/4)N * (1 - 1/3) = (1/4)N * (2/3) = (2/12)N Summing both the above leads to: (3/4)N + (2/12)N = (9/12)N + (2/12)N = (11/12)N So the number of pe...
- by fsutanto
Sat Sep 25, 2010 1:07 am- Forum: Problem Solving
- Topic: FRACTIONS
- Replies: 8
- Views: 1444
I guess I overlooked the PLUG IN option just by the complexity of the answer choices... by selecting 4 sides as a start, you can eliminate 3/5 of wrong answer choices right from the beginning. Lesson learnt, thanks Ian!
- by fsutanto
Sat Sep 25, 2010 12:34 am- Forum: Problem Solving
- Topic: Probability
- Replies: 5
- Views: 1604