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: 1640

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

gmat prep inequality

does the integer k have a factor p such that 1<p<k ?

1. k>4!
2. 13!+2<k<13!+13

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: 2107

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