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Famed for his masterful use of irony, many of Guy de Maupassant's short stories have become classics due to the author slowly revealing at the end of each piece a tragic twist of fate. A.Famed for his masterful use of irony, many of Guy de Maupassant's short stories have become classics due to the ...

by OptimusPrep

Sat Jul 16, 2016 11:30 am
Forum: Sentence Correction
Topic: Experts' comment needed
Replies: 3
Views: 1065

Hi fellow GMATers, While most students out there are aiming for 750+ I am aiming at a modest 670-680 because I know I will be able to get through a college of my choice with this score. While I have gone through all the quant and verbal material once (Manhattan), I struggle with remembering all the...


A is 80% as efficient as B. C does two-third of the work done by A and B together in the same time. If C alone does the work in 10 Days. Then A and C, together can do the work in........ (A) 12 days (B) 24 days (C) 18 days (D) 6 Days plz help me i m stuck in this question.. Assume the work rate B =...

by OptimusPrep

Thu Jul 14, 2016 11:01 pm
Forum: Problem Solving
Topic: time and work
Replies: 4
Views: 1321

Q. 12 children take 16 days to complete the work which can be completed by 8 adults in 12 days.16 adults started work and after 3 days 10 adults left & 4 children join them.How many days will they take to complete the work. A.3; B.4; C.6; D.8; E.None Assume total units of work = 100x Rate of wo...

by OptimusPrep

Thu Jul 14, 2016 10:56 pm
Forum: Problem Solving
Topic: Time & Work
Replies: 4
Views: 6461

Q. If Deepti had walked 20km/h faster, she would have saved 1 hour in the distance of 600 km. what is usual speed of Deepti? a) 100 b)120 c)150 d)none of these Assume current speed = x Total time taken for 600 km = 600/x Total time taken at x + 20 speed = 600/(x + 20) Given, 600/x - 600/(x + 20) = ...

by OptimusPrep

Thu Jul 14, 2016 10:50 pm
Forum: Problem Solving
Topic: Time/speed
Replies: 5
Views: 1587

As source of electrical power, windmills now account for only about 2500 megawatts nationwide, but production is almost expected to double by the end of the year, which would provide enough electricity for 1.3 million households. A) almost expected to double by the end of the year, which would prov...

by OptimusPrep

Thu Jul 14, 2016 8:47 pm
Forum: Sentence Correction
Topic: electrical power
Replies: 6
Views: 2211

Two genes BRCA1 and BRCA2 are linked to hereditary breast cancer. Therefore in order to decrease the annual number of mammogram tests administered across a population and to more accurately assess a woman's individual risk of breast cancer, all women should be tested for these genes. Which of the f...

by OptimusPrep

Thu Jul 14, 2016 8:05 pm
Forum: Critical Reasoning
Topic: To Verbal Expert.....CR Assumption
Replies: 4
Views: 2363

Of all the high schools in the United States, Judd Academy is the one with the largest number of alumni serving in the Air Force. Knoxworth High School, however, is the school with the most graduates serving in the military as a whole, including the Army, Navy, Air Force, Marines, and Coast Guard. ...

by OptimusPrep

Thu Jul 14, 2016 7:45 pm
Forum: Critical Reasoning
Topic: To Verbal Expert........CR Inference
Replies: 2
Views: 1344

Hello everyone I took my GMAT exam yesterday for the first time and I got 560(Q40,V27), I started my preparation one month before the exam using Magoosh.com (which is a great resource when it comes to Quant and SC) and I did not take any mock exams before the real one! My target score was 650-700, ...

by OptimusPrep

Tue Jul 12, 2016 8:14 pm
Forum: The GMAT Avengers Study Group
Topic: 560(Q40, V27) I was so slow during the test!
Replies: 5
Views: 3147

Dear Ankur, Thank you for your reply. This may sound obvious but how do " understand the concepts first before diving into problem solving this time?" the problem is I thought I understand the concepts ( by watching videos and all the books from Mprep, wrote concepts on flashcard, and kee...

by OptimusPrep

Tue Jul 12, 2016 7:46 pm
Forum: The GMAT Avengers Study Group
Topic: Stuck- Goal: 600
Replies: 7
Views: 3127

Please excuse me if this is not the right way to post a follow-up question. For me the choice was between D and E. Both the options seem to give Coffee Roast enough incentive to install the afterburner. The experts have explained why E is correct and it makes sense because the decision is purely mo...

by OptimusPrep

Tue Jul 12, 2016 7:41 pm
Forum: Critical Reasoning
Topic: Expert needed.....OG2017- Strengthen Question
Replies: 4
Views: 4832

In order to withstand tidal currents, juvenile horseshoe crabs frequently burrow in the sand. Such burrowing discourages barnacles from clinging to their shells. When fully grown, however, the crabs can readily withstand tidal currents without burrowing, and thus they acquire substantial population...

by OptimusPrep

Tue Jul 12, 2016 1:17 am
Forum: Critical Reasoning
Topic: 2016 OG CR 75
Replies: 2
Views: 1655

The air quality board recently informed Coffee Roast, a small coffee roasting firm, of a complaint regarding the smoke from its roaster. Recently enacted air quality regulations requires machine roasting more than 10 pounds of coffee to be equipped with expensive smoke-dissipating afterburners. The...

by OptimusPrep

Tue Jul 12, 2016 1:10 am
Forum: Critical Reasoning
Topic: Expert needed.....OG2017- Strengthen Question
Replies: 4
Views: 4832

Most of Western music since the Renaissance has been based on a seven-note scale known as the diatonic scale, but when did the scale originate? A fragment of a bone flute excavated at a Neanderthal campsite has four holes, which are spaced in exactly the right way for playing the third through sixt...

by OptimusPrep

Mon Jul 11, 2016 8:50 pm
Forum: Critical Reasoning
Topic: Most of Western music since the Renaissance has been based
Replies: 2
Views: 2085

Q. Four liters of milk are to be poured into a 2 liter bottle and a 4 liter bottle .if each bottle is to be filled to the same fraction of its capacity, how many liters of milk should be poured into the 4 liter bottle ? (A) 2/3 (B) 7/3 (C) 5/2 (D) 8/3 (E) 3 I have taken the liberty to correct the q...

by OptimusPrep

Mon Jul 11, 2016 8:40 pm
Forum: Problem Solving
Topic: Mixture
Replies: 4
Views: 5169