Search found 8 matches
I believe you made a calc error.
I'm not sure how you got x = 21
your approach is right -
(2x-3) / (3x+3) = 3/5
=> 5 (2x-3)= 3(3x+3)
=> 10x -15 = 9x +9
=>x = 24
therefore total bldgs = 24 * 5 = 120.
- by trindadesn
Sat Jan 23, 2010 7:37 am- Forum: Problem Solving
- Topic: Simple ratio prob
- Replies: 2
- Views: 2163
The perimeter of the sign includes ¾ of the circumference of a circle with radius 2 feet (which is ¾*2*π*2 = 3 π feet), and the two legs of the isosceles triangle that shows the formation of cone. The chord associated with the left over quarter of the circle will form the diameter of the top of...
- by trindadesn
Sat Jan 23, 2010 7:29 am- Forum: Problem Solving
- Topic: Geom / %age
- Replies: 12
- Views: 2238
Sending of GMAT scores after a repeat.
Hi, A have question regarding the sending of scores. I have given the GMAT and had my scores sent to say A, B, C, D, and E. I will be resitting the GMAT. Now I want to apply to a few different Universities, say F, G, H, as well as say A, and B. Do I have to resubmit A and B when filling out my 5 uni...
- by trindadesn
Sat Jan 23, 2010 6:51 am- Forum: GMAT Strategy
- Topic: Sending of GMAT scores after a repeat.
- Replies: 1
- Views: 1157
s1) WHEN T IS DIV BY 7 REM IS 6----->for t^2 remainder will be 36 and for 5t remainder will be 30 and for 6 rem is 6 tot is 72 and when 72 is div by 7 rem is 2 hence r =2( suff) s2) we dnt know about t hence insuff.... Why is st 2 insuff... for t^2 to leave a remainder of 1 when divided by 7, t^2 m...
- by trindadesn
Sat Jan 23, 2010 4:35 am- Forum: Data Sufficiency
- Topic: hard question from GMATPrep
- Replies: 7
- Views: 2029
Geom / %age
Soem assistance with these please ....... 1. The outline of a sign for an ice-cream store is made by placing 3/4 of the circumference of a circle with radius 2 feet on top of an isosceles triangle with height 5 feet, as shown below. What is the perimeter, in feet, of the sign? (A) (3 Pi) + 3 (root3)...
- by trindadesn
Sat Jan 23, 2010 3:28 am- Forum: Problem Solving
- Topic: Geom / %age
- Replies: 12
- Views: 2238
Ststement 1. More than 50% of the 10 employees are women. Possible options for the 10 members are M W 4 6 3 7 2 8 1 9 for 4 men and 6 women prob that both are women is 6/10 * 5/9 = 5/30. this is <0.5 for 2 men and 8 women prob …… is 8/10 * 7/9 = 28/45 this is >0.5 St.1 insuff. Statement 2. The p...
- by trindadesn
Sat Jan 23, 2010 2:52 am- Forum: Problem Solving
- Topic: probability
- Replies: 4
- Views: 1322
Avg / distribution
hi need some help with these please. 1. A corporation with 5,000,000 shares of publicly listed stock reported total earnings of $7.20 per share for the first 9 months of operation. During the final quarter the number of publicly listed shares was increased to 10,000,000 shares, and fourth quarter ea...
- by trindadesn
Sat Jan 23, 2010 2:28 am- Forum: Problem Solving
- Topic: Avg / distribution
- Replies: 1
- Views: 2203
- by trindadesn
Sat Jan 23, 2010 2:07 am- Forum: Problem Solving
- Topic: probability
- Replies: 4
- Views: 1322