Search found 112 matches
Hi GURUNY
thanks for responding. I need to know that in case 1 why did you specifically pick 6 s=as a number. I waste a lot of time trying different number. plz help
- by rommysingh
Thu Sep 17, 2015 3:11 pm- Forum: Problem Solving
- Topic: MGMAT numbers
- Replies: 5
- Views: 1386
work problem MGMAT
Machine A can complete a certain job in x hours. Machine B can complete the same job in y hours. If A and B work together at their respective rates to complete the job, which of the following represents the fraction of the job that B will not have to complete? x - y x + y x y – x x + y xy y x – ...
- by rommysingh
Thu Sep 17, 2015 2:49 pm- Forum: Problem Solving
- Topic: work problem MGMAT
- Replies: 1
- Views: 926
MGMAT Sequence
The next number in a certain sequence is defined by multiplying the previous term by some positive constant k, where k ≠1. How many of the first nine terms in this sequence are greater than 1?
(1) The ninth term in this sequence is 81.
(2) The fifth term in this sequence is 1.
- by rommysingh
Thu Sep 17, 2015 2:16 pm- Forum: Data Sufficiency
- Topic: MGMAT Sequence
- Replies: 4
- Views: 1638
MGMAT numbers
As a bicycle salesperson, Norman earns a fixed salary of $20 per week plus $6 per bicycle for the first six bicycles he sells, $12 per bicycle for the next six bicycles he sells, and $18 per bicycle for every bicycle sold after the first 12. This week, Norman earned more than twice as much as he did...
- by rommysingh
Thu Sep 17, 2015 2:13 pm- Forum: Problem Solving
- Topic: MGMAT numbers
- Replies: 5
- Views: 1386
MGMAT Circles n coordinate
In the figure above, the circles are centered at O(0, 0) and P(10, 0). Line AB is tangent to both circles, at points A and B respectively, and intersects the x-axis at point X. What is the x-coordinate of point X ? (1) The area of the circle centered at point P is 4 times the area of the circle cent...
- by rommysingh
Thu Sep 17, 2015 2:01 pm- Forum: Data Sufficiency
- Topic: MGMAT Circles n coordinate
- Replies: 3
- Views: 2267
- by rommysingh
Mon Sep 14, 2015 5:44 pm- Forum: Data Sufficiency
- Topic: gmat prep inequality
- Replies: 3
- Views: 1807
gmat prep
if the balls are numbered from 1-100. and three balls are to be taken out by replacement then what is the probability that their sum will be odd.
1/4
3/4
1/2
5/8
6/8
- by rommysingh
Mon Sep 14, 2015 5:33 pm- Forum: Problem Solving
- Topic: gmat prep
- Replies: 2
- Views: 1349
SC verb tense problem...e-gmat
Question text Since none of the major airlines finalized the deal of Bombardier CSeries airplanes, the investors, who had hoped to see such a deal , pushed Bombardier's shares down 33 cents to $4.41 in midday trading on the Toronto Stock Exchange. A. finalized the deal of Bombardier CSeries airplane...
- by rommysingh
Sat Sep 12, 2015 6:33 am- Forum: Sentence Correction
- Topic: SC verb tense problem...e-gmat
- Replies: 2
- Views: 2105
Ceilidh thanks for the reply but can you show by example like taking real time values in case 2 2) n^2 - 1 is even. We can factor this the same way: (n + 1)(n - 1) must be even, and therefore divisible by 2. However, we don't know whether it's also divisible by 3. Maybe it's a multiple of 6, maybe n...
- by rommysingh
Fri Sep 11, 2015 1:40 pm- Forum: Data Sufficiency
- Topic: number properties mgmat
- Replies: 6
- Views: 2603
coordinate geo MGMAT...
A triangle in the xy-coordinate plane has vertices with coordinates (7, 0), (0, 8), and (20, 10). What is the area of this triangle?
72
80
87
96
100
- by rommysingh
Fri Sep 11, 2015 12:11 pm- Forum: Problem Solving
- Topic: coordinate geo MGMAT...
- Replies: 2
- Views: 1542
mgmat colored marbels
A certain number of marbles are to be removed from a box containing only solid-colored red, yellow, and blue marbles. How many more yellow marbles than red marbles are in the box before any are removed? (1) To guarantee that a red marble is removed, the smallest number of marbles that must be remove...
- by rommysingh
Fri Sep 11, 2015 11:59 am- Forum: Data Sufficiency
- Topic: mgmat colored marbels
- Replies: 3
- Views: 1770
MGMAT time problem
Two musicians, Maria and Perry, work at independent constant rates to tune a warehouse full of instruments. If both musicians start at the same time and work at their normal rates, they will complete the job in 45 minutes. However, if Perry were to work at twice Maria’s rate, they would take only ...
- by rommysingh
Fri Sep 11, 2015 11:49 am- Forum: Data Sufficiency
- Topic: MGMAT time problem
- Replies: 3
- Views: 1771
mgmat pythagorus
In the diagram to the right, triangle PQR has a right angle at Q and line segment QS is perpendicular to PR. If line segment PS has a length of 16 and line segment SR has a length of 9, what is the area of triangle PQR? 72 96 108 150 200 http://s17.postimg.org/edyhtjpaz/a_triangle_divided_main.jpg
- by rommysingh
Fri Sep 11, 2015 11:26 am- Forum: Problem Solving
- Topic: mgmat pythagorus
- Replies: 1
- Views: 1285
number properties mgmat
If n is a positive integer greater than 6, what is the remainder when n is divided by 6?
(1) n2 – 1 is not divisible by 3.
(2) n2 – 1 is even.
- by rommysingh
Fri Sep 11, 2015 11:16 am- Forum: Data Sufficiency
- Topic: number properties mgmat
- Replies: 6
- Views: 2603
MGMAT sitting arrangement
A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there? 28 3...
- by rommysingh
Fri Sep 11, 2015 7:00 am- Forum: Problem Solving
- Topic: MGMAT sitting arrangement
- Replies: 3
- Views: 1670