Search found 94 matches
Area
The shape of an ancient druid castle is rectangular solid. Each of its dimensions is an integral number of meters. The castle is surrounded by a moat of 5 meters wide. The height of the castle is twice its length and three times its width. What is the height in meters if the area of the castle floo...
- by leonswati
Mon Apr 23, 2012 8:42 am- Forum: Problem Solving
- Topic: Area
- Replies: 2
- Views: 895
Ratio
After one fifth of the adults at a party left the ratio of the adult to teens was 2:3. Later when 44 teens left the ratio of adult to teen was 5:2. How many people were still at the party after the teens left? I dont have the answer choices but I would appreciate if someone can help.. A little confu...
- by leonswati
Sun Apr 22, 2012 6:51 pm- Forum: Problem Solving
- Topic: Ratio
- Replies: 2
- Views: 991
vinegar and water
A certain 4-liter solution of vinegar and water consists of x liters of vinegar and y liters of water. How many liters of vinegar does the solution contain?
(1) x/4 = 3/8
(2) y/4 = 5/8
the answer is D, but can anyone plz help me solve it using equations ....... a complete answer... thank you...
- by leonswati
Mon Nov 21, 2011 11:51 am- Forum: Data Sufficiency
- Topic: vinegar and water
- Replies: 4
- Views: 1475
Tricky one, this one is also a circular arrangement. So we need to keep that in mind. 4 different toppings 5C4 - 5 ways of picking up toppings and (4-1)! ways of arranging them. 5*6 = 30 3 Different toppings 5C3 = 10 ways of picking up toppings and 3 ways to arrange them. 10*3 = 30 2 different topp...
- by leonswati
Tue Oct 18, 2011 6:48 pm- Forum: Problem Solving
- Topic: pizza
- Replies: 9
- Views: 2461
I use the following approach: Use 'compare to' when comparing things which are not similar. Eg: He compared her to a summer sun. (Comparison is between a person and the sun) Use 'compare with' when comparing similar things. Eg: He compared the forged signature with the original one. (Comparison is b...
- by leonswati
Tue Oct 18, 2011 7:37 am- Forum: Sentence Correction
- Topic: Usage of , and
- Replies: 12
- Views: 2762
Ways to choose one appetizer = XC1 = X
Ways to choose one main course = (Y+1)C1 = Y+1
Ways to choose one dessert = ZC1 = Z
Ways to choose one appetizer, one main course and one dessert = X*(Y+1)*Z =XYZ + XZ
Answer B
- by leonswati
Tue Oct 18, 2011 5:48 am- Forum: Problem Solving
- Topic: you choose 1 appetizer
- Replies: 3
- Views: 1215
Rectangle ABCD is inscribed in a circle as shown above. What is the radius of the circle? (1) The length of the rectangle is and the width of the rectangle is 1. (2) The length of are AB is of the circumference of the circle. You have missed something in statement 2.. The question is Retangle ABCD ...
- by leonswati
Mon Oct 17, 2011 6:15 am- Forum: Data Sufficiency
- Topic: Rectangle ABCD
- Replies: 5
- Views: 2105
- by leonswati
Sun Oct 16, 2011 6:00 pm- Forum: Data Sufficiency
- Topic: Numbers.
- Replies: 4
- Views: 986
To prove: y =2 Stmt 1: y ≠1. y can take any value for different x for which x mod y = 0 will be satisfied. INSUFFICIENT. Stmt 2: (x+2) mod y = 0. x mod y + 2 mod y = 0 0 + 2 mod y = 0 (Given x mod y = 0) 2 mod y = 0 That means y can be either 1 or 2 for which 2 mod y = 0 will be satisfied. INSUF...
- by leonswati
Sun Oct 16, 2011 11:51 am- Forum: Data Sufficiency
- Topic: Is y=2?
- Replies: 5
- Views: 1201
Rectangle ABCD is inscribed in a circle as shown above. What is the radius of the circle? (1) The length of the rectangle is and the width of the rectangle is 1. (2) The length of are AB is of the circumference of the circle. You have missed something in statement 2.. The question is Retangle ABCD ...
- by leonswati
Sun Oct 16, 2011 11:18 am- Forum: Data Sufficiency
- Topic: Rectangle ABCD
- Replies: 5
- Views: 2105
If X AND Y are integers, is x-1 >= y? 1) x is a positive multiple of y 2) (x/y) >1 Official Answer C Statement 1: X = n*Y ; n is an integer greater than 0 Let n=1, and Y=2 then X = 2 then 2-1>= 2 false Let n=2, and Y=2 then X = 4 then 4-1>= 2 true Insufficient.. Statement 2: X/Y>1 means X>y if X an...
- by leonswati
Sun Oct 16, 2011 10:36 am- Forum: Data Sufficiency
- Topic: veritas Practice Test - DS
- Replies: 7
- Views: 1360
Is 1 / (a–b) < (b–a)? (1) a < b (2) 1 < |a–b| For statement 1: a,b = 2,3 a,b = -2,3 a,b = -10,-3 For all above pairs, I always get a YES for the question. For statement 2: I can rephrase the inequality as in 2 cases ( based on the approach stated in Manhattan book ) a-b > 1 or b-a < 1 For bot...
- by leonswati
Sun Oct 16, 2011 7:58 am- Forum: Data Sufficiency
- Topic: DS problem - How to solve absolute inequalities?
- Replies: 5
- Views: 1331
This is from Kaplan test ... I checked the source and found this as the right question: Susan flipped a fair coin N times. what fraction of the flips came up heads? 1) N = 24 2) The number of flips that came up tails was 3/8(N) According to this question the answer has to be B. Here N has to be a mu...
- by leonswati
Sun Oct 16, 2011 7:42 am- Forum: Data Sufficiency
- Topic: Coin flip
- Replies: 5
- Views: 1505
This is from Kaplan test ... I checked the source and found this as the right question: Susan flipped a fair coin N times. what fraction of the flips came up heads? 1) N = 24 2) The number of flips that came up tails was 3/8(N) According to this question the answer has to be B. Here N has to be a mu...
- by leonswati
Sun Oct 16, 2011 7:24 am- Forum: Data Sufficiency
- Topic: Coin flip
- Replies: 5
- Views: 1505
- by leonswati
Sun Oct 16, 2011 7:20 am- Forum: Data Sufficiency
- Topic: Coin flip
- Replies: 5
- Views: 1505