Search found 11 matches
Function
Hi all,
Can anyone help me solve this question. I'm probably missing something obvious.
Many thanks,
Vittorio
- by vittovangind
Sun Apr 20, 2014 11:12 am- Forum: Problem Solving
- Topic: Function
- Replies: 2
- Views: 3443
Hi Brent,
Let me know if I can help you creating an Improvement Chart for the Quantitative and Verbal Review as this is really handy.
Many thanks,
Vitto
- by vittovangind
Sun Feb 16, 2014 12:01 pm- Forum: GMAT Math
- Topic: Official Guide for GMAT Quantitative Review 2nd ed
- Replies: 3
- Views: 2315
OG - Quant Review - PS - Q199
(0.99999999/1.0001) - (0.99999991/1.0003) =
a) 10^-8
b) 3(10^-8)
c) 3(10^-4)
d) 2(10^-4)
e) 10^-4
Many thanks,
Vitto
- by vittovangind
Sun Feb 16, 2014 9:07 am- Forum: Problem Solving
- Topic: OG - Quant Review - PS - Q199
- Replies: 4
- Views: 2211
OG - Quant Review - PS - Q129
An object thrown directly upward is at a height of h feet after t seconds; where h = -16(t-3)^2 + 150. At what height, in feet, is the object 2 seconds after it reaches its maximum height?
a) 6
b) 86
c) 134
d) 150
e) 166
Many thanks
Vitto
- by vittovangind
Sun Feb 16, 2014 8:58 am- Forum: Problem Solving
- Topic: OG - Quant Review - PS - Q129
- Replies: 3
- Views: 2237
PS_Possible Isosceles
Is triangle ABC an isosceles triangle?
(1) AD = DC
(2) The area of triangle ABD equals the area of triangle BDC
- by vittovangind
Tue Jan 28, 2014 10:59 pm- Forum: Data Sufficiency
- Topic: PS_Possible Isosceles
- Replies: 12
- Views: 7688
DS_Is 15 in K?
In order to solve the below problem, it seems that 2x = y. However, I don't understand how one can recognize this. "K is a set of integers such that i) if x is in K, then 2x is in K ii) if each of x and y is in K, then x + y is in K Is 15 in K? (1) 1 is in K. (2) 3 is in K." Many thanks Vi...
- by vittovangind
Sun Jan 26, 2014 1:31 pm- Forum: Data Sufficiency
- Topic: DS_Is 15 in K?
- Replies: 1
- Views: 1199
In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt? a) 20 b) 40 c) 216 d) 720 e) 729 We can take this question and ask an easier question: In how many ways can we choose 3 of the 6 children to rece...
- by vittovangind
Sun Jan 26, 2014 1:21 pm- Forum: Problem Solving
- Topic: PS_Counting
- Replies: 8
- Views: 4434
PS_Counting
In how many different ways can 3 identical green shirts and 3 identical red shirts be distributed among 6 children such that each child receives a shirt?
a) 20
b) 40
c) 216
d) 720
e) 729
- by vittovangind
Sat Jan 25, 2014 9:34 am- Forum: Problem Solving
- Topic: PS_Counting
- Replies: 8
- Views: 4434
General Question about DS
Hello, I'm wondering whether the answers to the DS questions in the GMAT Exam will be of similar length and complexities as the one in the OG's or whether this is only for practice purposes. In reality, i'm doing not too bad on PS but DS is being a nightmare for me. Any tips welcome... Many thanks, ...
- by vittovangind
Mon Jan 20, 2014 1:37 pm- Forum: Data Sufficiency
- Topic: General Question about DS
- Replies: 3
- Views: 1374
OG13 - Quant Review - DS - 49
Hello, "49. How many directors of both Company K and Company R? (1) Thee were 17 directors present at joint meeting of the directors of Company K and Company R, and no directors were absent. (2) Company K has 12 directors and Company R has 8 directors." Please could someone rephrase the so...
- by vittovangind
Sun Jan 19, 2014 2:06 pm- Forum: Data Sufficiency
- Topic: OG13 - Quant Review - DS - 49
- Replies: 7
- Views: 5968
OG - Quant Review - PS - Q135
Hello, Is this problem we must divide $207/1.15. In order to do so, my logic would be to do as follow: 115/1.15 + 92/1.15 The first term is easily calculate to equal 100, however to me it isn't easy to recognize that 92/1.15 = 80. In general, I'm struggling with those types of calculation. Any advis...
- by vittovangind
Sun Jan 19, 2014 1:49 pm- Forum: Problem Solving
- Topic: OG - Quant Review - PS - Q135
- Replies: 2
- Views: 1148