Search found 18 matches
apple is 40 cents and the price of each orange is 60 cents.
At a certain fruit stand, the price of each apple is 40 cents and the price of each orange is 60 cents. Mary selects a total of 10 apples and oranges from the fruit stand, and the average (arithmetic mean) price of the 10 pieces of fruit is 56 cents. How many oranges must Mary put back so that the a...
- by kamalj
Wed Dec 27, 2017 9:19 am- Forum: Problem Solving
- Topic: apple is 40 cents and the price of each orange is 60 cents.
- Replies: 5
- Views: 2377
If 3 < x < 100, for how many values of x
If 3 < x < 100, for how many values of x is x/3 the square of a prime number?
(A) Two
(B) Three
(C) Four
(D) Five
(E) Nine
OAB
Please explain.
- by kamalj
Mon Dec 18, 2017 9:22 am- Forum: Problem Solving
- Topic: If 3 < x < 100, for how many values of x
- Replies: 1
- Views: 593
The eyes of the elephant seal adapt to darkness
The eyes of the elephant seal adapt to darkness more quickly than any other animal yet tested, thus allowing it to hunt efficiently under the gloomy conditions at its feeding depths of between 300 and 700 meters. A) The eyes of the elephant seal adapt to darkness more quickly than any other animal ...
- by kamalj
Mon Dec 18, 2017 9:05 am- Forum: Sentence Correction
- Topic: The eyes of the elephant seal adapt to darkness
- Replies: 0
- Views: 560
The eyes of the elephant seal adapt to darkness
The eyes of the elephant seal adapt to darkness more quickly than any other animal yet tested, thus allowing it to hunt efficiently under the gloomy conditions at its feeding depths of between 300 and 700 meters. A) The eyes of the elephant seal adapt to darkness more quickly than any other animal ...
- by kamalj
Mon Dec 18, 2017 8:40 am- Forum: Sentence Correction
- Topic: The eyes of the elephant seal adapt to darkness
- Replies: 0
- Views: 523
average price per person, EXCLUDING the gratuity?
The price of lunch for 15 people was $207.00, including a 15 percent gratuity for service. What was the average price per person, EXCLUDING the gratuity? (A) $11.73 (B) $12.00 (C) $13.80 (D) $14.00 (E) $15.87 OA B Hello Experts , Please advise where did i go wrong? Gratuity Service = 207*15/100 = 31...
- by kamalj
Sat Dec 16, 2017 10:57 am- Forum: Problem Solving
- Topic: average price per person, EXCLUDING the gratuity?
- Replies: 3
- Views: 912
bill is presented on a tray that bears a credit-card logo
Studies in restaurants show that the tips left by customers who pay their bill in cash tend to be larger when the bill is presented on a tray that bears a credit-card logo. Consumer psychologists hypothesize that simply seeing a credit-card logo makes many credit-card holders willing to spend more b...
- by kamalj
Fri Dec 15, 2017 8:59 am- Forum: Critical Reasoning
- Topic: bill is presented on a tray that bears a credit-card logo
- Replies: 1
- Views: 1087
If Pat's parents invested $5,000
If money is invested at r percent interest, compounded annually, the amount of the investment will double in approximately 70/r years. If Pat's parents invested $5,000 in a long-term bond that pays 8 percent interest, compounded annually, what will be the approximate total amount of the investment 1...
- by kamalj
Mon Dec 11, 2017 9:18 am- Forum: Problem Solving
- Topic: If Pat's parents invested $5,000
- Replies: 3
- Views: 952
Marconi’s conception
Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is precisely the opposite, a tool for communicating with a large, public audience. A. Marconi’s conception of the radio was as a substitute for the telephone, a tool for private...
- by kamalj
Sun Dec 10, 2017 1:48 am- Forum: Sentence Correction
- Topic: Marconi’s conception
- Replies: 1
- Views: 1014
The irradiation of food kills bacteria
Which of the following most logically completes the argument? The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponent...
- by kamalj
Fri Dec 08, 2017 11:54 am- Forum: Critical Reasoning
- Topic: The irradiation of food kills bacteria
- Replies: 1
- Views: 960
What is the sum of all the even integers between 99 and 301?
For any positive integer n, the sum of the first n positive integers equals n(n+1)/2. What is the sum of all the even integers between 99 and 301? A. 10,100 B. 20,200 C. 22,650 D. 40,200 E. 45,150 OA B Can you please check my solution and let me know where i am getting wrong. # of terms = (300-100)/...
- by kamalj
Wed Nov 29, 2017 11:26 am- Forum: Problem Solving
- Topic: What is the sum of all the even integers between 99 and 301?
- Replies: 5
- Views: 3565
In the problem above: Let T = 100%. Sweaty palms = 40. Vomiting = 30. Dizziness = 75. Exactly 2 of the groups = 35. Let x = the percentage in all 3 groups. Plugging these values into the formula, we get: 100 = 40 + 30 + 75 - 35 - 2x 100 = 110 - 2x x=5. Hi GMATGuruNY , Just a quick question. Why did...
- by kamalj
Sun Nov 26, 2017 7:42 am- Forum: Problem Solving
- Topic: OG 13 #178 - Virtual Reality
- Replies: 22
- Views: 15103
virtual-reality therapy to reduce their fear of heights
Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting, and 75 percent experienced dizziness. If all of the subjects experienced at least one of these effects and 35 per...
- by kamalj
Sat Nov 25, 2017 12:21 pm- Forum: Problem Solving
- Topic: virtual-reality therapy to reduce their fear of heights
- Replies: 2
- Views: 1011
Newspaper A for $1.00 each and copies of Newspaper B for $1.
Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store sold no other newspapers that day. If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold wer...
- by kamalj
Sat Nov 25, 2017 12:02 pm- Forum: Problem Solving
- Topic: Newspaper A for $1.00 each and copies of Newspaper B for $1.
- Replies: 3
- Views: 964
Foreign Trade agency's records
In the country of Marut, the Foreign Trade agency's records were reviewed in 1994 in light of information then newly available about neighboring Goro. The review revealed that in every year since 1963, the agency's projection of what Goro's gross national product (GNP) would be five years later was ...
- by kamalj
Thu Nov 23, 2017 9:45 am- Forum: Critical Reasoning
- Topic: Foreign Trade agency's records
- Replies: 1
- Views: 1144
TT
An infinitive modifier implies INTENDED ACTION: an action that MIGHT happen in the future. SC18 in the OG13: an organization TO TAKE CHARGE of computer security planning . Here, the organization is intended TO TAKE CHARGE. The organization is NOT taking charge right now. In fact, it is possible tha...
- by kamalj
Thu Nov 23, 2017 8:58 am- Forum: Sentence Correction
- Topic: SC OG13
- Replies: 4
- Views: 1974