## Search found 424 matches

#### x < 20

##### x < 20

Is x < 20?
a. x + y < 20
b. y < 20

IMO : E

by piyush_nitt

Fri May 08, 2009 5:33 am
Forum: Data Sufficiency
Topic: x < 20
Replies: 1
Views: 742

#### GCD

##### GCD

What is GCD of positive integers m and n?
a. m is a prime number
b. 2n = 7m

IMO: C

by piyush_nitt

Fri May 08, 2009 5:29 am
Forum: Data Sufficiency
Topic: GCD
Replies: 5
Views: 2392

#### company Z

##### company Z

Each employee of company Z is employed in either Division X or Division Y, but not both. If each division has some part time employees, is the ratio of the number of full-time employees to number of part-time employees greater for Division X than for Company Z? a. Ratio of number of full time employ...

by piyush_nitt

Fri May 08, 2009 5:21 am
Forum: Data Sufficiency
Topic: company Z
Replies: 1
Views: 956

#### X and Y work

##### X and Y work

X and Y work at constant rates, how many more hours does it take machine y, alone, to fill an order of a certain size than machine X alone.
a. X and Y together fill order in 2&#8260;3 the time that X alone does
b. Y alone does it in twice the time as X alone does

IMO : E

by piyush_nitt

Fri May 08, 2009 5:12 am
Forum: Data Sufficiency
Topic: X and Y work
Replies: 1
Views: 602

#### Positive integers

##### Positive integers

Positive integers x, y, and z are such that x is a factor of y and y is a factor of z, if z even?
a. xz is even
b. y is even

IMO : D

by piyush_nitt

Fri May 08, 2009 5:10 am
Forum: Data Sufficiency
Topic: Positive integers
Replies: 1
Views: 738

#### Michelangelo

##### Michelangelo

A newly discovered painting on wooden panel by Michelangelo must have been completed after 1507 but before 1509. It cannot have been painted earlier than 1507 because one of its central figures carries a coin that was not minted until that year. It cannot have been painted after 1509 because it cont...

by piyush_nitt

Thu May 07, 2009 10:48 pm
Forum: Critical Reasoning
Topic: Michelangelo
Replies: 5
Views: 1509

#### Cost of production

##### Cost of production

The total cost of producing item X is equal to the sum of item X's fixed cost and variable cost. If the variable cost of producing X decreased by 5% in January, by what percent did the total cost of producing item X change in January? (1) The fixed cost of producing item X increased by 13% in Januar...

by piyush_nitt

Thu May 07, 2009 5:59 pm
Forum: Data Sufficiency
Topic: Cost of production
Replies: 1
Views: 844

#### Global Warming

##### Global Warming

Although there has been great scientific debate for decades over global warming, most scientists now agree that human activity is causing the Earth’s temperature to rise. Though predictions vary, many global warming experts believe that average global temperatures will rise between three and eight d...

by piyush_nitt

Thu May 07, 2009 5:05 pm
Forum: Critical Reasoning
Topic: Global Warming
Replies: 5
Views: 1372

#### Bill and his Cards

##### Bill and his Cards

Bill has a small deck of 12 playing cards made up of only 2 suits of 6 cards each. Each of the 6 cards within a suit has a different value from 1 to 6; thus, there are 2 cards in the deck that have the same value. Bill likes to play a game in which he shuffles the deck, turns over 4 cards, and looks...

by piyush_nitt

Wed May 06, 2009 7:00 pm
Forum: Problem Solving
Topic: Bill and his Cards
Replies: 1
Views: 584

#### Fire flames

##### Fire flames

A fire in an enclosed space burns with the aid of reflected radiation that preheats the fuel, making ignition much easier and flames spreading more quickly. (A) flames spreading (B) flame spreads (C) flames are caused to spread (D) causing flames to spread (E) causing spreading of the flames Don't h...

by piyush_nitt

Wed May 06, 2009 3:34 pm
Forum: Sentence Correction
Topic: Fire flames
Replies: 2
Views: 889

#### maestro

###### Sentence Correction

C To show the sequence or chronological order between past events we use past perfect for the past actions that occurred earlier than some other past action. For the past action that occurred later than the earlier past actions we use simple past The concert finished and the audience left-> past pe...

by piyush_nitt

Wed May 06, 2009 3:07 pm
Forum: Sentence Correction
Topic: maestro
Replies: 9
Views: 1513

#### Participle doubt

##### Re: Participle doubt

This question is from OG11 #39. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and root-like tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more tha...

by piyush_nitt

Tue May 05, 2009 10:51 pm
Forum: Sentence Correction
Topic: Participle doubt
Replies: 1
Views: 1347

#### gmat prep

###### Sentence Correction

not x but y so on C would fulfill the condition because are not x but are is not the correct way. The correct idiom is not X but Y where X and Y are parallel in the same clause There is no idiom tested in this example. E.g. He is not going to work but working from home . This is one clause comma + ...

by piyush_nitt

Tue May 05, 2009 10:48 pm
Forum: Sentence Correction
Topic: gmat prep
Replies: 9
Views: 1385

#### Ellipsis Question

###### Sentence Correction

I am confused why should they refer to journalists because as per SV agreement . 'A majority of journalists ' will always take singular noun therfore the 'they' will refer to power station only . So I go with D . But at first instance I chose C . If someone cud explain btw C and D wud be grt guys a...

by piyush_nitt

Tue May 05, 2009 10:17 pm
Forum: Sentence Correction
Topic: Ellipsis Question
Replies: 13
Views: 2256