Search found 15 matches
Numbers: If n is an integer between 100 and 900
Hi Guys! Need some help: If n is an integer between 100 and 900, what is the tens digit of n? (1) If n is rounded to the nearest ten and the result is then rounded to the nearest hundred, the final value differs from the result of rounding n to the nearest hundred. (2) The tens digit of n is half th...
- by Yaj
Wed Sep 18, 2013 12:04 am- Forum: Data Sufficiency
- Topic: Numbers: If n is an integer between 100 and 900
- Replies: 3
- Views: 2748
Numbers: If x2 < x and x is written as a terminating deci
Hi Guys,
Can anyone explain any way to approach this problem!
If x2 < x and x is written as a terminating decimal, does x have a nonzero hundredths digit?
(1) 10x is not an integer.
(2) 100x is an integer.
[spoiler]OA:C[/spoiler]
Thanks so much!
- by Yaj
Tue Sep 17, 2013 11:42 pm- Forum: Data Sufficiency
- Topic: Numbers: If x2 < x and x is written as a terminating deci
- Replies: 3
- Views: 3496
Here it is - A piece of wire is bent so as to form the boundary of a square with area A. If the wire is then bent into the shape of an equilateral triangle, what will be the area of the triangle thus bounded in terms of A? The options are attached! [spoiler]OA:E[/spoiler] My method (please tell me w...
- by Yaj
Sat Sep 14, 2013 11:50 pm- Forum: Problem Solving
- Topic: Piece of wire is bent so as to form the boundary of a square
- Replies: 8
- Views: 5638
Geometry: Decagon
Some help!!
The figure shows a regular decagon (10-side polygon). Angle x is formed by extending two of the sides of the decagon. What is the degree measure of angle x?
(A) 96
(B) 108
(C) 120
(D) 144
(E) 150
[spoiler]OA:B[/spoiler]
Thank You!
- by Yaj
Sat Sep 14, 2013 6:02 am- Forum: Problem Solving
- Topic: Geometry: Decagon
- Replies: 2
- Views: 8066
Geometry: In isosceles triangle ABC
In isosceles triangle ABC, what is the length of AB?
(1) AC < BC/2
(2) BC = 7
[spoiler]OA: C[/spoiler]
Thank You!
- by Yaj
Thu Sep 12, 2013 9:14 pm- Forum: Data Sufficiency
- Topic: Geometry: In isosceles triangle ABC
- Replies: 8
- Views: 4581
DS: Points A, B and C are not on a line. Is AB>12?
Points A, B and C are not on a line. Is AB>12?
(1) AC=36
(2) BC=18
[spoiler]OA:C[/spoiler]
Thanks so much!
- by Yaj
Thu Sep 12, 2013 2:50 am- Forum: Data Sufficiency
- Topic: DS: Points A, B and C are not on a line. Is AB>12?
- Replies: 2
- Views: 1261
Geometry: Circles
Some help:
In the figure above, is angle DAB = angle DCB?
(1) Angle ADC is twice angle ABC
(2) BD is twice the radius of the circle.
[spoiler]OA: B[/spoiler]
Thank You!
- by Yaj
Thu Sep 12, 2013 2:49 am- Forum: Data Sufficiency
- Topic: Geometry: Circles
- Replies: 3
- Views: 1373
PS: The operation # is defined by x#y =
The operation # is defined by x#y = (2x+y)^2+(x+2y)^2 for all integers x and y. If z is a integer, which of the following must be true?
I. x#x is even
II. x#x >x
III. x#(-2x)=0
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
[spoiler]OA:A[/spoiler]
Thanks in advance!
- by Yaj
Thu Sep 12, 2013 2:46 am- Forum: Problem Solving
- Topic: PS: The operation # is defined by x#y =
- Replies: 2
- Views: 1723
Geometry: Traingles
Need some help -
If the sides of an isosceles triangle are a-4, a-6, and 2a-20, respectively, which of the following could be the perimeter of the triangle?
I. 26
II. 32
III. 34
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
[spoiler]OA: E[/spoiler]
Thanks !!
- by Yaj
Thu Sep 12, 2013 2:45 am- Forum: Problem Solving
- Topic: Geometry: Traingles
- Replies: 2
- Views: 1132
Numbers .. similar the GMTPrep Q
Hi Guys,
Need some help with this one:
What is the remainder when (n-1)*(n+1) is divided by 24?
(1) When n is divided by 3, the remainder is 1.
(2) n is odd.
[spoiler]OA:C[/spoiler]
- by Yaj
Wed Aug 21, 2013 4:50 am- Forum: Data Sufficiency
- Topic: Numbers .. similar the GMTPrep Q
- Replies: 4
- Views: 1247
Coordinate Geometry .. If line L passes through point (3, n)
If line L passes through point (3, n) and (n, 3), where n is not equal to 3, which of the following must be true? I. Line L does pass the origin. II. The slope of L is negative. III. Line L must passes through the first quadrant (A) I only (B) II only (C) III only (D) I and II (E) II and III [spoile...
- by Yaj
Wed Aug 21, 2013 3:34 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry .. If line L passes through point (3, n)
- Replies: 2
- Views: 4711
Coordinate Geometry .. If line L passes through points
If line L passes through points (r,-s) and (t,u), is the slope of the line negative? (1) r>t (2) u>-s [spoiler]OA:C[/spoiler] I was wondering if this data is sufficient the know the signs of the 4 variables? Eg: If 's' is negative, then -(-s) makes it positive & if 's' is positive then -(s) make...
- by Yaj
Wed Aug 21, 2013 2:37 am- Forum: Data Sufficiency
- Topic: Coordinate Geometry .. If line L passes through points
- Replies: 1
- Views: 2184
SC.. The team streamed into the locker room,
Hello! Can someone please explain the difference between options D & E? The team streamed into the locker room, donned their uniforms, and, before commencing its first practice, they joined in a brief strategy session. B) and its first practice was preeceded by a brief strategy session C) and a ...
- by Yaj
Thu Aug 15, 2013 2:20 pm- Forum: Sentence Correction
- Topic: SC.. The team streamed into the locker room,
- Replies: 2
- Views: 1250
Numbers Data Sufficieny Q .. If n is a positive integer >
Can anyone help me solve this one?
If n is a positive integer greater than 2, n=?
(1) The tens' digit of 11^n is 4.
(2) The hundreds' digit of 5^n is 6.
[spoiler]OA: E[/spoiler][/size]
- by Yaj
Thu Aug 08, 2013 5:55 am- Forum: Data Sufficiency
- Topic: Numbers Data Sufficieny Q .. If n is a positive integer >
- Replies: 1
- Views: 1548
Hi Brent, Your explanation was really helpful! I have a doubt (since I am just getting started, please excuse the v basic Qs I shoot) - Why are we looking at OR (+) & not AND (*) here = 5/216 + 5/216 + 5/216 ? Since we are looking at all conditions working out (i.e 1/6*1/6*5/6) THREE times in a ...
- by Yaj
Wed Jul 10, 2013 11:59 am- Forum: Problem Solving
- Topic: Probability
- Replies: 9
- Views: 2120