Search found 15 matches
- by ssraf
Sat Jun 14, 2008 8:38 am- Forum: Problem Solving
- Topic: GMATprep1 --Function Problem
- Replies: 3
- Views: 1436
Equations
In a certain state gas stations compute the price p per gallon in $ by adding addin 4% sales to the dealers price per gallon d, in $, and then adding $0.18 per gallon. Which gives the dealers price d in terms of p charged at the pumps? a)d=p-0.22 b)d=p/1.22 c)d=(p/1.04)-.18 d)d=p-0.18/1.04 e)d=p-0.0...
- by ssraf
Fri Jun 13, 2008 10:41 pm- Forum: Problem Solving
- Topic: Equations
- Replies: 3
- Views: 1736
GMATprep1 --Function Problem
for every positive integer n, the function h(n) is defined to be the product of all even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100)+1 then p is between?
2-10
10-20
20-30
30-40
40+
- by ssraf
Fri Jun 13, 2008 10:35 pm- Forum: Problem Solving
- Topic: GMATprep1 --Function Problem
- Replies: 3
- Views: 1436
Prob
Jo and Jose work at an auto repair centre with 4 other workers. For a survey on healthcare insurance 2 to workers will randomly be interviewed. What is the probability both Jo and Jose will be chosen?
- by ssraf
Fri Jun 13, 2008 10:33 pm- Forum: Problem Solving
- Topic: Prob
- Replies: 2
- Views: 1513
Plane Problem
For any point T in the xy-plane, the centre of T is defined to be the point whose x-coordinate is the average of the x-coordinates of the vertices of T, and whose y-coordinate is the average of the y-coordinates of the vertices of T. If a triangle has vertices (0,0) and (6,0) and its centre at (3,2)...
- by ssraf
Thu Jun 12, 2008 4:26 pm- Forum: Problem Solving
- Topic: Plane Problem
- Replies: 1
- Views: 1227
Work Problem
A farm used 2 harvesting machines, H and K to harvest 100 acres of wheat. Harvesting machine H, working alone at its constant rate harvested 40 acres in 8 hours. K was brought in thereafter, and H and K working togethor at their respective rates harvested the remaining acres in 5 hours. How many acr...
- by ssraf
Thu Jun 12, 2008 4:20 pm- Forum: Problem Solving
- Topic: Work Problem
- Replies: 3
- Views: 2312
- by ssraf
Wed Jun 11, 2008 7:23 am- Forum: Problem Solving
- Topic: OG 31
- Replies: 2
- Views: 1402
OG 31
If Juan takes 11 seconds to run y yards, how long will it take him to run x yards at the same speed?
a)11x/y
b)11y/x
c)x/11y
d)11/xy
e)xy/11
- by ssraf
Wed Jun 11, 2008 6:42 am- Forum: Problem Solving
- Topic: OG 31
- Replies: 2
- Views: 1402
- by ssraf
Tue Jun 10, 2008 5:38 pm- Forum: Problem Solving
- Topic: OG 115
- Replies: 11
- Views: 5214
- by ssraf
Tue Jun 10, 2008 5:34 pm- Forum: Problem Solving
- Topic: OG 138
- Replies: 6
- Views: 2965
OG 115
Marys income is 60% more than Tims income, and Tims income is 40 less than Juans income. What percent of Juans income is Mary's income?
a) 124
b)120
c)96
d)80
e)64
- by ssraf
Tue Jun 10, 2008 12:27 pm- Forum: Problem Solving
- Topic: OG 115
- Replies: 11
- Views: 5214
OG 138
On a loading dock, each worker on the night crew loaded 3/4 as many boxes as each worker on the day crew. If the night crew has 4/5 as many workers as the day crew, what fraction of all the boxes loaded by the two crews was loaded by the day crew?
A)1/2
B)2/5
C)3/5
D)4/5
E)5/8
- by ssraf
Tue Jun 10, 2008 12:24 pm- Forum: Problem Solving
- Topic: OG 138
- Replies: 6
- Views: 2965
prob solving
what is the smallest integer n for which 25^n > 5^12?
a)6
b)7
c)8
d)9
e)10
OA is 7. Can someone help with the reasoning behind this? I tried a similar scenario ala 36 and 6 (ss base) with no luck....
- by ssraf
Sun Jun 08, 2008 7:03 pm- Forum: Problem Solving
- Topic: prob solving
- Replies: 1
- Views: 1313
yes sorry Stuart is right, the denominator should have read 10^7-10^3.
Can you elaborate on your answer. Why is 10^8-10^2 simply 10^8?
Thanks!
- by ssraf
Sun Jun 08, 2008 6:57 pm- Forum: Problem Solving
- Topic: exponents
- Replies: 5
- Views: 1716
- by ssraf
Sun Jun 08, 2008 5:17 pm- Forum: Problem Solving
- Topic: exponents
- Replies: 5
- Views: 1716