Search found 6 matches
Picture Frame Inscribed Problem
Manhattan GMAT number 10 ABCD is a a square picture frame. EFGH is a square inscribed within ABCD as a space for a picture. The area of EFGH is equal to the area of the picture frame. (The area of ABCD minus EFGH). If AB=6. What is the length of EF? I know the total area is 36, but how do I deduce t...
- by sanchu
Tue Feb 25, 2014 4:32 pm- Forum: Problem Solving
- Topic: Picture Frame Inscribed Problem
- Replies: 2
- Views: 1842
Geometry and Angles (My weakness)
13th Edition Question Number 92. A ladder of a fire truck is elevated to an angle of 60 degrees and extended to a length of 70 feet. If the base of the ladder is 7 feet above ground, how many feet above the ground does the ladder reach? The answer set mentions that this is a 30-60-90 triangle. How w...
- by sanchu
Tue Feb 25, 2014 4:25 pm- Forum: Problem Solving
- Topic: Geometry and Angles (My weakness)
- Replies: 8
- Views: 6388
Intensity Question
On a scale that measure the intensity of a certain phenomonenon, a reading of n+1 corresponds to the intensity that is 10 times the intensity corresponding to a reading o n. On that scale the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a rea...
- by sanchu
Mon Feb 10, 2014 4:00 pm- Forum: Problem Solving
- Topic: Intensity Question
- Replies: 2
- Views: 1316
Remainder Question
When positive integer x is divided by positive integer y, the remainder is 9. If x/y=96.12, what is the value of y?
a) 96
b)75
c) 48
d)25
e) 12
I'm having a tough time visualizing this one.
- by sanchu
Mon Feb 10, 2014 3:58 pm- Forum: Problem Solving
- Topic: Remainder Question
- Replies: 4
- Views: 1530
- by sanchu
Sun Feb 09, 2014 5:22 am- Forum: Problem Solving
- Topic: Beat the GMAT Compound Interest Question
- Replies: 4
- Views: 1943
Beat the GMAT Compound Interest Question
A car loan is offered a 8% annual interest, compounded annually. After the first year, the interest due is $240. What is the principal on the loan? I think I approach this problem this way P(1+.08) = 240 240/(1.08) =222.2 This however, is not the correct answer. The answer is 3,000 I know the formul...
- by sanchu
Sat Feb 08, 2014 6:35 pm- Forum: Problem Solving
- Topic: Beat the GMAT Compound Interest Question
- Replies: 4
- Views: 1943