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Find the sum of x-intercept and y-intercept of the line L? 1) The x and y intercepts of line L are distinct and they ar
Data Sufficiency
Find the sum of x-intercept and y-intercept of the line L? 1) The x and y intercepts of line L are distinct and they ar
Find the sum of x-intercept and y-intercept of the line L?
1) The x and y intercepts of line L are distinct and they are same as x intercepts of parabola y=x^2−5x+6y
2) The slope of line L is -3/2
Source: http://www.GMATinsight.com
- by GMATinsight
Thu Jul 16, 2020 7:44 am- Forum: Data Sufficiency
- Topic: Find the sum of x-intercept and y-intercept of the line L? 1) The x and y intercepts of line L are distinct and they ar
- Replies: 1
- Views: 918
m is an even integer, and n is an odd integer. What is (-1)mn (-1)m-n {(-1)2m-1(3 + 2) - (-1)2n(3 - 2)}?
Problem Solving
Re: m is an even integer, and n is an odd integer. What is (-1)mn (-1)m-n {(-1)2m-1(3 + 2) - (-1)2n(3 - 2)}?
[GMAT math practice question] m is an even integer, and n is an odd integer. What is (-1)^{mn} (-1)^{m-n} {(-1)^{2m-1}(3 + 2) - (-1)^{2n}(3 - 2)}? A. 2 B. 4 C. 6 D. 8 E. 10 (-1)^Even = +1 (-1)^odd = -1 m = even, n = odd i.e m+n or m-n = Odd and m*n = Even (-1)^{mn} (-1)^{m-n} {(-1)^{2m-1}(3 + 2) - ...
- by GMATinsight
Fri Jul 03, 2020 4:14 am- Forum: Problem Solving
- Topic: m is an even integer, and n is an odd integer. What is (-1)mn (-1)m-n {(-1)2m-1(3 + 2) - (-1)2n(3 - 2)}?
- Replies: 2
- Views: 635
Re: DS: Coordinates
CONCEPT: Intersections of Quadratic graph on x-Axis = roots of equation Roots of teh given equation are , x = -1 and x = -b To answer the question we need th evalues of a and b STatement 1 : a + b= -1 a = 0 and b = -1 or a = -2 and b = 1 (Inconsistent solutions hence NOT SUFFICIENT STatement 2 : Th...
- by GMATinsight
Tue Jun 23, 2020 4:42 am- Forum: GMAT Math
- Topic: DS: Coordinates
- Replies: 4
- Views: 13373
Re: Geometry question
There is no question and no image attache.d PLease update the post 
henilshaht wrote: ↑Sun May 10, 2020 9:42 amI saw this question on Reddit and found it interesting. I think answer should be A.
- by GMATinsight
Tue Jun 23, 2020 4:36 am- Forum: GMAT Math
- Topic: Geometry question
- Replies: 2
- Views: 11551
Re: How to Solve: Box and Whisker Plot
GMAT DOESN'T REQUIRE ANY QUESTION RELATED TO BOX AND WHISKER PLOT. GRE offers questions using them though. :) GMATinsight www.GMATinsight.com Hi All, I have also decided to start posting concepts on my Youtube channel going forward. I Have just posted a video on "Box and Whiskey Plot" Box ...
- by GMATinsight
Tue Jun 23, 2020 4:05 am- Forum: GMAT Math
- Topic: How to Solve: Box and Whisker Plot
- Replies: 2
- Views: 11430
In the figure above, in irregular quadrilateral \(ABCD,\) \(\angle A = 60^{\circ}, \angle D\) is twice \(\angle C,\) and
Problem Solving
Re: In the figure above, in irregular quadrilateral \(ABCD,\) \(\angle A = 60^{\circ}, \angle D\) is twice \(\angle C,\)
polygons_img5.png In the figure above, in irregular quadrilateral \(ABCD,\) \(\angle A = 60^{\circ}, \angle D\) is twice \(\angle C,\) and \(\angle B\) is \(40^{\circ}\) more than \(\angle C.\) Find the measure of \(\angle B.\) A. \(65^{\circ}\) B. \(85^{\circ}\) C. \(105^{\circ}\) D. \(120^{\circ}...
- by GMATinsight
Sat May 09, 2020 11:22 pm- Forum: Problem Solving
- Topic: In the figure above, in irregular quadrilateral \(ABCD,\) \(\angle A = 60^{\circ}, \angle D\) is twice \(\angle C,\) and
- Replies: 2
- Views: 568
Average = (x + x^2 + x^3 + x^4)/4 = x (1 + x+ x^2 + x^3 )/4 = x(1+27)/4 = 28x/4 = 7xM7MBA wrote:If x + x^2 + x^3 = 27, then the average (arithmetic mean) of x + x^2 + x^3 + x^4 is equal to which of the following?
A. 3
B. 3x
C. 7x
D. 9
E. 9x
[spoiler]OA=C[/spoiler]
Source: Veritas Prep
Answer: Option C
- by GMATinsight
Sat Apr 06, 2019 12:55 am- Forum: Problem Solving
- Topic: If x + x^2 + x^3 = 27, then the average (arithmetic mean)
- Replies: 2
- Views: 735
While playing a certain dice game, Chris wins if the sum of the two dice is 7, at which point the game is over. If the game allows Chris three rolls in an attempt to win, what is the probability that Chris will win? A. 1/2 B. 17/36 C. 91/216 D. 11/36 E. 25/216 [spoiler]OA=C[/spoiler] Source: Verita...
- by GMATinsight
Fri Apr 05, 2019 11:28 pm- Forum: Problem Solving
- Topic: While playing a certain dice game, Chris wins if the sum of
- Replies: 1
- Views: 613
In a nationwide poll, N people were interviewed. If 1/4 of them answered "yes" to question 1, and of those, 1/3 answered "yes" to question 2, which of the following expressions represents the number of people interviewed who did NOT answer "yes" to both questions? A. N...
- by GMATinsight
Fri Apr 05, 2019 11:25 pm- Forum: Problem Solving
- Topic: In a nationwide poll, N people were interviewed. If 1/4
- Replies: 2
- Views: 1468
In how many ways can a square be identified in a chess board
In how many ways can a square be identified in a chess board (figure attached)?
A) 64
B) 65
C) 204
D) 205
E) 408
www.GMATinsight.com
- by GMATinsight
Fri Mar 01, 2019 10:56 pm- Forum: Problem Solving
- Topic: In how many ways can a square be identified in a chess board
- Replies: 1
- Views: 614
find unit digit of [m]1!^1 + 2!^2 + 3!^3 + 4!^4 + 5!^5 + 6!^
find unit digit of [m]1!^1 + 2!^2 + 3!^3 + 4!^4 + 5!^5 + 6!^6 + 7!^7 + 8!^8 + 9!^9 + 10!^{10}[/m]
A) 1
B) 3
C) 5
D) 7
E) 9
Source: www.GMATinsight.com
Answer: Option D
- by GMATinsight
Wed Feb 20, 2019 9:59 pm- Forum: Problem Solving
- Topic: find unit digit of [m]1!^1 + 2!^2 + 3!^3 + 4!^4 + 5!^5 + 6!^
- Replies: 0
- Views: 661
GMATH practice exercise (Quant Class 20) Is the x-intercept of the non-horizontal line L negative? (1) The slope of line L is equal to the y-intercept of line L. (2) The slope of line L is positive. Answer: [spoiler]____(A)__[/spoiler] Question : Is the x-intercept of the non-horizontal line L nega...
- by GMATinsight
Mon Feb 18, 2019 10:54 pm- Forum: Data Sufficiency
- Topic: Is the x-intercept of the non-horizontal line L negative?
- Replies: 2
- Views: 688
Is x-y+1 greater than x+y-1 ? (1) x > 0 (2) y < 0 OA B Source: GMAT Prep Question : Is x-y+1 > x+y-1 ? Question : Is 2y < 2? Question : Is y < 1? Statement 1 : x > 0 NOT SUFFICIENT Statement 2 : y < 0 i.e. y is NOT greater than 1 hence SUFFICIENT Answer: Option B
- by GMATinsight
Mon Feb 18, 2019 10:47 pm- Forum: Data Sufficiency
- Topic: Is x-y+1 greater than x+y-1 ?
- Replies: 2
- Views: 657
Is triangle ABC an acute angled triangle? 1) [m]c^2 < a^
Is triangle ABC an acute angled triangle?
1) [m]c^2 < a^2 + b^2[/m] where a, b and c are sides of triangle ABC
2) Sides of the triangle ABC have lengths 5, 6 and 7
Source: www.GMATinsight.com
- by GMATinsight
Wed Oct 31, 2018 6:50 am- Forum: Data Sufficiency
- Topic: Is triangle ABC an acute angled triangle? 1) [m]c^2 < a^
- Replies: 2
- Views: 749
The discount offer "Buy 2 and get 3" is equivalent
The discount offer "Buy 2 and get 3" is equivalent to what percentage discount?
A) 10%
B) 20%
C) 33.33%
D) 40%
E) 50%
Source: www.GMATinsight.com
- by GMATinsight
Wed Oct 24, 2018 1:47 am- Forum: Problem Solving
- Topic: The discount offer "Buy 2 and get 3" is equivalent
- Replies: 3
- Views: 742