Search found 51 matches
LalaB wrote:let AB=7
then AP=4/7*7=4 PB=3/7*7=3
AB/AP=PB/PD OR
AB/PB=AP/PD
AP/PD=7/3
OA please
Your solution is right.
The OA is 7:3
- by AndyB
Tue Jan 17, 2012 6:26 pm- Forum: Problem Solving
- Topic: Similar Triangles problem.
- Replies: 7
- Views: 3609
Similar Triangles problem.
Hi Friends, Need help in solving the below problem, I have just started solving the problems so it would be of great help if you could give explanations also. In the figure given,P is a point on AB, such that AP:PB = 4:3 PQ is parallel to AC and QD is parallel to CP.What is ratio AP:PD ??? http://s1...
- by AndyB
Tue Jan 17, 2012 10:08 am- Forum: Problem Solving
- Topic: Similar Triangles problem.
- Replies: 7
- Views: 3609
Hi Sanju/GmatGuru,
Thanks again, for the very well explained answer.
I have understood the solution.
The important point here was the height of the scalene triangle CED is the distance between parallel lines.
- by AndyB
Sat Jan 14, 2012 6:01 am- Forum: Problem Solving
- Topic: Area of a triangle problem.
- Replies: 6
- Views: 7178
Hi Sanju, Thank you very much for taking the time to give a detailed explanation. I am not that good at the basics of triangles. I am confused at the following point: The line segment DC will divide the trapezium BCED into two triangles viz. ΔCED and ΔCBD (Yes it does) Area of ΔCED = ½ × DE × ...
- by AndyB
Sat Jan 14, 2012 5:23 am- Forum: Problem Solving
- Topic: Area of a triangle problem.
- Replies: 6
- Views: 7178
Area of a triangle problem.
Hi Friends, I am facing difficulty in solving the below problem, Could you please help me with the solution. In triangle ABC shown above, DE || BC and DE/BC = 1/4. If area of triangle ADE is 10, find the area of the trapezium BCED and the area of triangle CED.1 http://s14.postimage.org/wrbbof565/tri...
- by AndyB
Fri Jan 13, 2012 9:45 pm- Forum: Problem Solving
- Topic: Area of a triangle problem.
- Replies: 6
- Views: 7178
- by AndyB
Mon Oct 17, 2011 2:22 am- Forum: Problem Solving
- Topic: Simple Math problem
- Replies: 6
- Views: 1185
- by AndyB
Mon Oct 17, 2011 1:36 am- Forum: Problem Solving
- Topic: Geometry: Square and circle problem
- Replies: 4
- Views: 7514
Simple Math problem
Hello Everyone, Anybody!!! Please help me in solving the below problem. 5) The relationship between x and y is given as: x 0 1 2 3 4 5 6 y 0 10 40 90 160 250 360 If x=2.5, what will be the value of y?? a)45 b)62.5 c)65 d)67.5 I am not able to understand how to derive a relationship between x and y.....
- by AndyB
Sun Oct 09, 2011 3:38 am- Forum: Problem Solving
- Topic: Simple Math problem
- Replies: 6
- Views: 1185
Sphere and Cylonder problem
Hello Everyone, Anybody!!! Please help me in solving the below problem. Q) A sphere with a diameter of 6cm is dropped in a circular cylindrical vessel that is partially filled with water.The diameter of the cylindrical vessel is 12 cm.If the sphere is completely submerged in water how much will the ...
- by AndyB
Sun Oct 09, 2011 3:35 am- Forum: Problem Solving
- Topic: Sphere and Cylonder problem
- Replies: 2
- Views: 1212
Geometry: Square and circle problem
Hi Everyone, I am having difficulty in solving a simple geometry problem.Need help in understanding the problem and also the solution. Please help!!! 1) A punching machine is used to create a circular diameter 2 unit from a square sheet of aluminium of width 2 unit, as shown in the figure.The hole i...
- by AndyB
Sun Oct 09, 2011 3:30 am- Forum: Problem Solving
- Topic: Geometry: Square and circle problem
- Replies: 4
- Views: 7514
Argument Construction
Hi Everyone, Could anyone please help me in understanding the answer of the following CR question: There is a great deal of geographical variation in the frequency of many surgical procedures -- up to tenfold variation per hundred thousand people between different areas in the numbers of hysterectom...
- by AndyB
Thu Apr 07, 2011 3:02 am- Forum: Critical Reasoning
- Topic: Argument Construction
- Replies: 3
- Views: 1723
- by AndyB
Fri Apr 01, 2011 2:51 am- Forum: Problem Solving
- Topic: Geometry : Area problem.
- Replies: 11
- Views: 8610
Hi Manpsingh,
I am unable to understand the following calculation, Why are we substituting x=8/3,x=8 and x=32/3 and how we could arrive at those values only.
Could you please elucidate on this:
if x=8/3, then width=1,
if x=8, width=3;
if x=32/3, width =4;
Regards,
AndyB.
- by AndyB
Fri Apr 01, 2011 2:29 am- Forum: Problem Solving
- Topic: Geometry : Area problem.
- Replies: 11
- Views: 8610
Geometry : Area problem.
Hi All, I am not able to solve the below question.Could anyone please help me in understanding with the solution: Q)A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square.If the ratio of the brass area to the wooden area is 25 t...
- by AndyB
Fri Apr 01, 2011 1:10 am- Forum: Problem Solving
- Topic: Geometry : Area problem.
- Replies: 11
- Views: 8610
Hi Mitch, You are absolutely right.Thanks for solving the confusion. The real solution of the problem lies in understanding the term..." 2 alike, the other 2 distinct" Yes the confusion I had was with usage of I,I,I.But when we use I,I as the like pair the remaining I cannot be used which ...
- by AndyB
Tue Mar 15, 2011 7:40 am- Forum: Problem Solving
- Topic: Permutation - Two alike and other two distinct problem
- Replies: 9
- Views: 2281