Akansha bookmarked DS + nth power
June 4, 2011
Akansha started following alltimeacheiver
June 4, 2011
Akansha bookmarked Art Show
June 2, 2011
Akansha posted a reply to Probability in the Problem Solving forum
“Thanks a lot Stuart! I really like the explanation of all your answers. Helps me a lot with the concepts.”
June 1, 2011
Akansha posted a new topic called Members who speak 2 of 3 languages in the Data Sufficiency forum
“Of 200 members, each member who speaks German also speaks English, and 70 of members only speak Spanish. If no member speaks all 3 languages, how many of the members speak 2 of the 3 languages? a. 60 members speak only English b. 20 members do not speak any of the 3 languages OA is C”
June 1, 2011
Akansha posted a new topic called Inequalities in the Data Sufficiency forum
“If mv < pv < 0, is v > 0? a. m < p b. m < 0 OA is D”
June 1, 2011
Akansha posted a new topic called Maximum possible Length in the Problem Solving forum
“5 pieces of wood have an average length of 124cm and median length of 140cm. what is the maximum possible length of the shortest piece of wood? a. 90 b. 100 c. 110 d. 130 e. 140 OA is B”
June 1, 2011
Akansha posted a new topic called Probability in the Problem Solving forum
“n questions can either be true or false. If you answer all n correct you win. What is the least value of n for which the probability is less than 1/1000 for you to win by guessing randomly? a. 5 b. 10 c. 50 d. 100 e. 1000 OA is B”
June 1, 2011
Akansha posted a new topic called Speed&Time in the Data Sufficiency forum
“How long did it take to travel 400km? a. The car travelled the first 200km in 2.5hrs b. If the car’s average speed had been 20 km/h faster, it would have travelled the 400km in 1 hour less time. OA is B”
June 1, 2011
Akansha posted a new topic called Average Length in the Problem Solving forum
“5 pieces of wood have an average length of 124cm and median length of 140cm. what is the maximum possible length of the shortest piece of wood? a. 90 b. 100 c. 110 d. 130 e. 140 OA is B”
May 29, 2011
Akansha posted a new topic called Probability in the Problem Solving forum
“n questions can either be true or false. If you answer all n correct you win. What is the least value of n for which the probability is less than 1/1000 for you to win by guessing randomly? a. 5 b. 10 c. 50 d. 100 e. 1000 OA is B”
May 29, 2011
Akansha posted a new topic called Speed&Distance in the Data Sufficiency forum
“How long did it take to travel 400km? a. The car travelled the first 200km in 2.5hrs b. If the car’s average speed had been 20 km/h faster, it would have travelled the 400km in 1 hour less time. OA is B”
May 29, 2011
Akansha posted a new topic called Sum of Integers in the Problem Solving forum
“Sum of 1st 50 positive integers is 2550. What is sum of even integers from 102 to 200 inclusive? a. 5100 b. 7550 c. 10100 d. 15500 e. 20100 OA is B”
May 29, 2011
Akansha posted a new topic called Equations in the Data Sufficiency forum
“If each pencil is either 23 cents or 21 cents, how many 23 cent pencils did Martha buy? a. Martha bought a total of 6 pencils b. Total value of pencils Martha bought was 130 cents OA is B”
May 29, 2011
Akansha posted a new topic called Root Expressions in the Problem Solving forum
“x < 0, then √-x |x| (root of the whole expression) a. -x b. -1 c. 1 d. X e. √x OA is A. I got the answer as D. Can someone tell why is it not so? [/spoiler]”
May 29, 2011
Akansha posted a new topic called Quadrants in the Data Sufficiency forum
“If ab ≠ 0 and (-a, b) and (-b, a) are in the same quadrant, is (-x, y) in this quadrant? a. xy > 0 b. ax > 0 OA is C”
May 29, 2011
Akansha posted a new topic called Percentile in the Problem Solving forum
“Angela’s grade was in the 90th percentile out of 80 grades in her class. In another class there were 19 grades higher than Angela’s. If nobody had Angela’s grade, then Angela was what percentile of the two classes combined? a. 72 b. 80 c. 81 d. 85 e. 92 OA is D”
May 29, 2011
Akansha posted a new topic called Distance in the Data Sufficiency forum
“Distance between x and y is greater than distance between x and z. Does z lie between x and y on the number line? a. xyz < 0 b. xy < 0 OA is A”
May 29, 2011
Akansha posted a new topic called Factors in the Data Sufficiency forum
“How many different prime numbers are factors of positive integer n? a. 4 different prime numbers are factors of 2n b. 4 different prime numbers are factors of n^2 OA is B”
May 29, 2011
Akansha posted a new topic called Voting Districts in the Problem Solving forum
“A city with population 132000 is to be divided into 11 voting districts, and no district is to have a population that is more than 10% greater than population of any other district. What is minimum possible population of the least populated district? a. 10700 b. 10800 c. 10900 d. 11000 e. ...”
May 29, 2011
Akansha posted a new topic called Grid system in the Data Sufficiency forum
“Of 75 houses, 48 have a patio. How many houses have a swimming pool? a. 38 houses have a patio but no swimming pool b. Number of houses that have a swimming patio and a swimming pool is equal to the number of houses that have neither pool nor patio OA is B”
May 29, 2011
Akansha posted a new topic called ID number in the Problem Solving forum
“A company assigns ID number to employees. Each is to consist of 4 different digits from 0 to 9 inclusive except 1st digit cannot be 0. How many different combinations are there? a. 3024 b. 4536 c. 5040 d. 9000 e. 10000 OA is B”
May 29, 2011
Akansha posted a new topic called Ordering of numbers in the Problem Solving forum
“If n is positive, which of the following could be the correct ordering of 1/x, 2x, and x2? x2 < 2x < 1/x x2 < 1/x < 2x 2x < x2 < 1/x a. None b. I c. III d. I and II e. I, II, and III OA is D”
May 29, 2011
Akansha posted a new topic called Positive factors in the Data Sufficiency forum
“If integer n is > 1, is n = 2? a. n has exactly 2 positive factors b. The difference of any 2 distinct positive factors of n is odd OA is B”
May 29, 2011
Akansha posted a new topic called Profit in the Data Sufficiency forum
“A company was paid $500,000. The costs were Labor & Materials. Was the company’s profit greater than $150,000? a. Total cost was three times cost for materials b. Profit was greater than cost of labor OA is C”
May 26, 2011
Akansha posted a new topic called Integers in the Data Sufficiency forum
“Positive integer k has exactly 2 positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k, what is the value of k? a. 3^2 is a factor of k b. 7^2 is not a factor of k OA is D”
May 26, 2011
Akansha posted a new topic called Averages&Medians in the Problem Solving forum
“Last month 15 homes were sold in Town X. The average sale price of the houses was $150,000 and the median sales price was $130,000. Which must be true? At least 1 house sold for > $165,000 At least 1 house sold for > $130,000 but < $150,000 At least 1 home sold for < $130,000 a. I ...”
May 26, 2011
Akansha posted a new topic called Remainder Problem in the Data Sufficiency forum
“If n is a positive integer and r is remainder when (n-1)(n+1) is divided by 24, what is the value of r? a. n is divisible by 2 b. n is not divisible by 3 OA is C”
May 26, 2011
Akansha posted a new topic called mixtures in the Data Sufficiency forum
“A contractor combined x tons of gravel mix that contained 10% gravel G by weight, with y tons of a mixture that contained 2% gravel G by weight to produce z tons of a mixture that was 5% gravel G by weight. What is the value of x? D a. y = 10 b. z = 16 OA is D”
May 26, 2011
Akansha posted a new topic called Range & Median in the Problem Solving forum
“A set of 15 different integers has median of 25 and a range of 25. What is greatest possible integer that could be in this set? a. 32 b. 37 c. 40 d. 43 e. 50 OA is D”
May 26, 2011
Akansha posted a new topic called Compound Interest in the Problem Solving forum
“Jim invested $1000 @ 10% compounded annually. Laura invested $2000 @ 5% compounded annually. Total interest of Jim is how much more than total interest of Laura after 2 years? a. 5 b. 15 c. 50 d. 100 OA is A”
May 26, 2011
Akansha posted a new topic called INTEGERS in the Problem Solving forum
“If p is positive integer, what is remainder when p is divided by 4? a. When P is divided by 8 remainder is 5 b. P is the sum of the squares of two consecutive positive integers. OA is D”
May 26, 2011
Akansha posted a new topic called Letter Code in the Problem Solving forum
“Each stack is designated with a 1, 2, and 3 letter code where each letter is selected from the 26 letters of the alphabet. If the letters may be repeated and if the same letters used in a different order constitutes a different code, how many different stocks is it possible to uniquely designate ...”
May 26, 2011
Akansha posted a new topic called integers in the Problem Solving forum
“75 can be written as the sum of the squares of 3 different positive integers. What is sum of these integers? a. 17 b. 16 c. 15 d. 14 e. 13 OA is E”
May 26, 2011
Akansha posted a new topic called Functions in the Problem Solving forum
“For every positive even integer n, the function h(n) is defined to be the product of all even integers from 2 to n inclusive. If p is the smallest prime factor of h(100) + 1, then p is between a. 2 and 10 b. 10 and 20 c. 20 and 30 d. 30 and 40 e. > 40 OA is E”
May 26, 2011
Akansha posted a new topic called Average in the Data Sufficiency forum
“If x is a positive number less than 10, is z greater than average of x and 10? a. z is closer to 10 than x on the number line b. z = 5x OA is A”
May 24, 2011
Akansha posted a new topic called Rate of work in the Data Sufficiency forum
“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 2⁄3 the time that X alone does b. Y alone does it in twice the time as X alone does OA is E I selected the ...”
May 24, 2011
Akansha posted a new topic called Ratios in the Data Sufficiency forum
“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 ...”
May 24, 2011
Akansha posted a new topic called numbers in the Problem Solving forum
“If x > y2 > z4, which of the following could be true? x > y > z z > y > x x > z > y a. I b. I and II c. I and III d. II and III e. I, II, and III OA is E Is hit & trial method the only way to solve this problem? I find it time consuming trying out with ...”
May 24, 2011
Akansha posted a new topic called Fractions in the Data Sufficiency forum
“What fraction of graduating students at college X are male? a. 33% of males and 20% of females transferred from another college b. 25% of all students transferred OA is C”
May 24, 2011
Akansha posted a new topic called Series Problem in the Problem Solving forum
“If each term in the series a1 + a2 + … an is either 7 or 77, and the sum equals 350, which of the following could be equal to n? a. 38 b. 39 c. 40 d. 41 e. 42 OA is C”
May 24, 2011
Akansha posted a new topic called Integers in the Problem Solving forum
“n and y are positive integers and 450y = n3, which is an integer? y / 3 * 22 * 5 y / 32 * 2 * 5 y / 3 * 2 * 52 a. None b. I c. II d. III e. I, II, III OA is B I had difficulty in understanding this question. Need help.”
May 24, 2011
Akansha posted a new topic called Rate&Percentage in the Problem Solving forum
“The rate of a reaction is directly proportional to the square of the concentration of A and inversely proportional to concentration of B. If B increases by 100%, which of the following is closest to the % change in concentration of A required to keep the rate unchanged? a. 100% decrease b. 50% ...”
May 24, 2011
Akansha posted a new topic called Averages&Percentages in the Data Sufficiency forum
“Each employee is either a director or a manager. What % of the employees are directors? a. The average salary of managers is $5000 less than the average of all employees b. The average salary of directors is $15000 greater than the average of all employees OA is C”
May 24, 2011
Akansha posted a new topic called Numbers in the Data Sufficiency forum
“If x and y are integers greater than 1, is x a multiple of y? A a. 3y2 + 7y = x b. x2 – x is a multiple of y OA is A”
May 22, 2011
Akansha posted a new topic called Mixtures in the Problem Solving forum
“Three grades of milk: 1%, 2%, and 3% fat by volume. X gallons of 1%, y gallons of 2%, and z gallons of 3% are mixed to give x + y + z gallons of 1.5%. What is x in terms of y and z? a. y + 3z b. (y + z)/4 c. 2y + 3z d. 3y + z e. 3y + 4z OA is A”
May 22, 2011
Akansha posted a reply to Standard Deviation. in the Data Sufficiency forum
“Thanks a lot.. yeah it very much clear now!!”
May 22, 2011
Akansha posted a new topic called Standard Deviation. in the Data Sufficiency forum
“Some water was removed from each of 6 tanks. If standard deviation of the volumes of water at the beginning was 10 gallons, what was the standard deviation of the volumes at the end? a. For each tank, 30% of water at the beginning was removed b. The average volume of water in the tanks at the ...”
May 21, 2011
Akansha posted a new topic called Coordinate Geometry in the Data Sufficiency forum
“In the xy plane, at what point does y = (x + a)(x + b) cross the x axis? a. a + b = -1 b. graph intersects y axis at (0, -6) The correct ans is C but I had opted for E. can someone explain why it would be C?[/spoiler]”
May 20, 2011
Akansha posted a new topic called Standard Deviation in the Problem Solving forum
“A vending machine is designed to dispense 8 ounces of coffee into a cup. After a test that recorded the number of ounces of coffee in each of 1000 cups dispensed by the vending machine, the 12 listed amounts, in ounces , were selected from the data. If the 1000 recorded amounts have a mean of 8.1 ...”
May 15, 2011
Akansha posted a new topic called Profit & Loss in the Data Sufficiency forum
“Martha bought an armchair and a coffee table at an auction and sold both items at her store. Her gross profit from the purchase and sale of the armchair was what percent greater than her gross profit from the purchase and sale of the coffee table? 1) Martha paid 10 percent more for her armchair ...”
May 14, 2011
Akansha posted a new topic called Time & Work in the Problem Solving forum
“Six machines, each working at the same constant rate , together can complete a certain job in 12 days. How many additional machines, each working at the same constant rate, will be needed to complete the job in 8 days? A.2 B.3 C.4 D.6 E.8”
May 14, 2011
Akansha started following GMATGuruNY
May 14, 2011
Akansha posted a reply to Circles in the Problem Solving forum
“Thanks everyone.. That was quite an interesting sum!”
May 14, 2011
Akansha posted a new topic called arithmetic mean in the Data Sufficiency forum
“I was confused between answer C & D.The correct answer is D.”
May 13, 2011
Akansha posted a new topic called Profit & Loss in the Problem Solving forum
“Can anyone help solve this problem? The correct answer is E.”
May 13, 2011
Akansha posted a reply to Triangles in the Data Sufficiency forum
“Sorry!! please refer to this attachment which has the problem.”
May 13, 2011
Akansha posted a new topic called Triangles in the Data Sufficiency forum
“Can anyone help me solve this? The correct answer is C.”
May 13, 2011
Akansha posted a new topic called Circles in the Problem Solving forum
“Can anyone explain how to solve this problem? The correct answer is B but I had selected D.”
May 13, 2011
Akansha posted a new topic called Ratio Proportion in the Data Sufficiency forum
“On a certain sight-seeing tour, the ratio of the number of women to the number of children is 5 to 2. What was the number of men on the sight seeing tour? 1) On the sight-seeing tour , the ratio of the number of children to the number of men was 5 to 11. 2) The number of women on the sight ...”
May 12, 2011