Search found 19 matches
There is only one major road, Freeway Z, that links County X
There is only one major road, Freeway Z, that links County X and County Y. The border of the two counties is primarily defined by a mountain range, over which the construction of new roads is severely restricted by environmental laws. A cost-effective solution to the problem of traffic congestion on...
- by ahmedshafea
Mon Sep 11, 2017 1:08 pm- Forum: Critical Reasoning
- Topic: There is only one major road, Freeway Z, that links County X
- Replies: 1
- Views: 959
Most sci-fi movies released in past few years
Most sci-fi movies released in the past few years have not performed commercially. To address this, scriptwriters need to develop better impressions about the possible future world by reading popular science fiction & even some futuristic science papers. Scriptwriters can then write plots that a...
- by ahmedshafea
Mon Sep 11, 2017 1:04 pm- Forum: Critical Reasoning
- Topic: Most sci-fi movies released in past few years
- Replies: 1
- Views: 853
People who have a college degree tend to live
People who have a college degree tend to live longer than those who do not have a college degree. This is true for both men and women, and it is true across many different ethnicities and in many different geographical regions. This phenomenon is easily explained because it has been proven that peop...
- by ahmedshafea
Mon Sep 11, 2017 1:03 pm- Forum: Critical Reasoning
- Topic: People who have a college degree tend to live
- Replies: 1
- Views: 2720
Find a possible value of a+b given the equations
If ax+by=17ax+by=17 ,
2ax+3by=432ax+3by=43
and 3x=2y3x=2y, which of the following is a possible value of a+ba+b if a and b are integers?
A. 6
B. 10
C. 14
D. 18
E. 20
Is there a strategic approach to this PS question?
- by ahmedshafea
Mon Sep 11, 2017 1:02 pm- Forum: Problem Solving
- Topic: Find a possible value of a+b given the equations
- Replies: 1
- Views: 607
Which of the following is equal to (2^k)(5^k − 1)?
Which of the following is equal to 2^k*5^(k-1)?
A. 2*10^(k-1)
B. 5*10^(k-1)
C. 10^k
D. 2*10^k )
E. 10^(2k-1)
I'm confused how to set up the formulas here. Can any experts help?
- by ahmedshafea
Mon Sep 11, 2017 1:00 pm- Forum: Problem Solving
- Topic: Which of the following is equal to (2^k)(5^k − 1)?
- Replies: 3
- Views: 1346
It takes 4 cooks 4 hours to bake 4 cakes.
It takes 4 cooks 4 hours to bake 4 cakes. Assuming no change of rate, how many hours will it take 8 cooks to bake 8 cakes? I really can't solve this problem. I am having problem in approach. Every time I see work problems I am stuck in approach. In this question, I was approaching like 14∗4∗414â...
- by ahmedshafea
Mon Sep 11, 2017 12:58 pm- Forum: Problem Solving
- Topic: It takes 4 cooks 4 hours to bake 4 cakes.
- Replies: 4
- Views: 1736
What is the value of x?
What is the value of x?
(1) 2x - 5y + 6 = 12
(2) 8x - (4x + 10y) + 27 = 39
Can you help me with the DS question? What's the best way to determine whether statement 1 is sufficient?
- by ahmedshafea
Mon Sep 11, 2017 12:56 pm- Forum: Data Sufficiency
- Topic: What is the value of x?
- Replies: 1
- Views: 695
If a#-b, is (a-b)/(b+a) > 1
If a#-b, is (a-b)/(b+a) > 1?
(1) b^2 > a^2
(2) a-b>1
I'm confused how to set up the formulas here. Can any experts help?
- by ahmedshafea
Mon Sep 11, 2017 12:49 pm- Forum: Data Sufficiency
- Topic: If a#-b, is (a-b)/(b+a) > 1
- Replies: 1
- Views: 782
Is quadrilateral ABCD a rectangle?
Is quadrilateral ABCD a rectangle?
(1) The diagonals (AC and BD) are perpendicular to each other
(2) The sum of any 3 angles in the quadrilateral is 270 degrees
What's the best way to determine whether statement 1 is sufficient?
- by ahmedshafea
Mon Sep 11, 2017 12:45 pm- Forum: Data Sufficiency
- Topic: Is quadrilateral ABCD a rectangle?
- Replies: 1
- Views: 741
If y is an integer and y = |x| + x, is y = 0?
If y is an integer and y = |x| + x, is y = 0? (1) x < 0 (2) y < 1 I rephrased the original question as Is x<0? Statement 1 : SF Statement II : if y<1; x+|x|<1..on solving we get 2 ranges for x - X<0 or, - 0<X<0.5 Basis this II is insufficient.. Where am I going wrong ? Can some experts help me with ...
- by ahmedshafea
Mon Sep 11, 2017 12:39 pm- Forum: Data Sufficiency
- Topic: If y is an integer and y = |x| + x, is y = 0?
- Replies: 1
- Views: 1190
What is the value of 2x/3y?
What is the value of 2x/3y ?
(1) x^2/y^2 = 36/25
(2) x^5/y^5 > 1
Can some experts help me with this? How to come up with the correct answer?
Need thorough explanation regarding this one. Thanks
- by ahmedshafea
Sun Sep 10, 2017 2:26 pm- Forum: Data Sufficiency
- Topic: What is the value of 2x/3y?
- Replies: 1
- Views: 683
- by ahmedshafea
Wed Aug 30, 2017 12:39 pm- Forum: Data Sufficiency
- Topic: Polygons
- Replies: 4
- Views: 1406
please explain to me the math steps , how you got the Statement 1 is INSUFFICIENT and Statement 2 is SUFFICIENT ANSWER [spoiler]{B}[/spoiler] To find remainder of X/Y Statement 1: 2yk + 4 = x Let y=1, k=1, x==> 6 --> remainder = 0 y=3, k=1, x==> 10 --> remainder = 1 INSUFFICIENT Statement 2: (X+Y)/y...
- by ahmedshafea
Wed Aug 30, 2017 12:37 pm- Forum: Data Sufficiency
- Topic: If X and Y are nonzero integers
- Replies: 7
- Views: 4185
- by ahmedshafea
Wed Aug 30, 2017 12:35 pm- Forum: Data Sufficiency
- Topic: DS
- Replies: 5
- Views: 1501
- by ahmedshafea
Wed Aug 30, 2017 12:33 pm- Forum: Data Sufficiency
- Topic: Articles
- Replies: 4
- Views: 1613