Search found 38 matches
- by singhmaharaj
Wed May 07, 2014 5:21 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 7
- Views: 2499
Hi,
As far as I know, the property is
if two similar triangles have corresponding lengths in the ratio a:b, then their areas will be in the ratio (a)^2 : (b)^2
How did you derive the property other way round??
- by singhmaharaj
Wed May 07, 2014 5:10 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 7
- Views: 2499
Geometry - Triangle
In the figure [/img] see attachment, if the area of the tiangle on the right is twice the area of the triangle on the left, then in terms of s, S =
A) Sqrt 2 (s) / 2
B) Sqrt 3 (s) /2
C) Sqrt 2 (s)
D) Sqrt 3 (s)
E) 2s[/list]
- by singhmaharaj
Tue May 06, 2014 5:54 am- Forum: Problem Solving
- Topic: Geometry - Triangle
- Replies: 4
- Views: 1577
Since the question said that the total number of chips in all future shipments to equal the corresponding rate for the shipment S1, S2, S3, and S4 combined, my interpretation was something like this # of defective / 60,000 = { (2/5000) + (5/12,000) + (6/18,000) + (4/16,000) } # of defective /60,000 ...
- by singhmaharaj
Tue May 06, 2014 5:44 am- Forum: Problem Solving
- Topic: Ratios
- Replies: 3
- Views: 1307
Rates and Distance
A hiker walking at a constant rate of 4 miles per hour is passed by a cyclist travelling in the same direction along the same path at a constant rate of 20 miles per hour. The cyclist stops to wait for the hiker 5 minutes after passing her, while the hiker continues to walk at her constant rate. How...
- by singhmaharaj
Tue May 06, 2014 5:17 am- Forum: Problem Solving
- Topic: Rates and Distance
- Replies: 3
- Views: 3549
Statistics
A certain meter records voltage between 0 volts and 10 volts, inclusive. If the average (arithmetic mean) value of 3 recordings on the meter was 8 volts, what was the smallest possible recording, in volts?
A) 2
B) 3
C) 4
D) 5
E) 6
- by singhmaharaj
Tue May 06, 2014 5:13 am- Forum: Problem Solving
- Topic: Statistics
- Replies: 3
- Views: 2984
Word Problem - Profit and loss
Bobby bought two shares of stock, which he sold for $96 each. If he had a profit of 20 percent on the sale of one of the shares but a loss of 20 percent on the sale of the other share, then on the sale of both shares combined Bobby had A) a profit of $ 10 B) a profit of $ 8 C) a loss of $ 8 D) a los...
- by singhmaharaj
Tue May 06, 2014 5:11 am- Forum: Problem Solving
- Topic: Word Problem - Profit and loss
- Replies: 3
- Views: 2153
Rates and Distance
On his trip from Alba to Benton, Julio drove the first x miles at an average rate of 50 miles per hour and the remaining distance at an average rate of 60 miles per hour. How long did it take Julio to drive the first x miles? 1) On the trip, Julio drove for a total of 10 hours and drove a total of 5...
- by singhmaharaj
Tue May 06, 2014 5:05 am- Forum: Data Sufficiency
- Topic: Rates and Distance
- Replies: 2
- Views: 1270
Word Problems
To install cable television in a home, a certain cable company charges a basic fee of $30 plus a fee of $20 for each cable outlet installed in the home. How much did the cable company charge the Horace family for installing cable television in their home? 1) The cable company installed thre outlets ...
- by singhmaharaj
Tue May 06, 2014 3:02 am- Forum: Data Sufficiency
- Topic: Word Problems
- Replies: 1
- Views: 1126
Ratios
Rasheed bought two kinds of candy bars, chocolate and toffee, that came in packages of 2 bars each. He handed out 2/3 of the chocolate bars and 2/5 of the toffee bars. How many packages of chocolate bars did Rasheed buy? 1) Rasheed bought 1 fewer package of chocolate bars than toffee bars. 2) Rashee...
- by singhmaharaj
Tue May 06, 2014 2:57 am- Forum: Data Sufficiency
- Topic: Ratios
- Replies: 1
- Views: 1018
Percents
Whenever Martin has a restaurant bill with an amount between $10 and $99, he calculates the dollar amount of the tip as 2 times the tens digit of the amount of his bill. If the amount of Martin's most recent restaurant bill was between $10 and $99, was the tip calculated by Martin on the bill greate...
- by singhmaharaj
Tue May 06, 2014 2:52 am- Forum: Data Sufficiency
- Topic: Percents
- Replies: 1
- Views: 1250
Integers - Sum
The sum of the first 50 positive even integers is 2,550. What is the sum of the even integers from 102 to 200, inclusive?
A) 5,100
B) 7,550
C) 10,100
D) 15,500
E) 20,100
- by singhmaharaj
Tue May 06, 2014 2:43 am- Forum: Problem Solving
- Topic: Integers - Sum
- Replies: 8
- Views: 5648
Percents
A college admissions officer predicts that 20 percent of the students who are accepted will not attend the college. According to this prediction, how many students should be accepted to achieve a planned enrolment of x students?
A) 1.05x
B) 1.1 x
C) 1.2 x
D) 1.25 x
E) 1.8 x
- by singhmaharaj
Tue May 06, 2014 2:37 am- Forum: Problem Solving
- Topic: Percents
- Replies: 1
- Views: 1141
- by singhmaharaj
Tue May 06, 2014 2:31 am- Forum: Problem Solving
- Topic: Ratios - Variables
- Replies: 2
- Views: 1185
The first statement does not say stock : bond ==> increased instead it says stock : (bond + stock) ===> increased
- by singhmaharaj
Tue May 06, 2014 2:23 am- Forum: Problem Solving
- Topic: Percents
- Replies: 4
- Views: 1281