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Re: In a meeting of 3 representatives from each of 6 different companies, each person shook hands with every person not

GMAT Prep In a meeting of 3 representatives from each of 6 different companies, each person shook hands with every person not from his or her own company. If the representatives did not shake hands with people from their own company, how many handshakes took place? A. 45 B. 135 C. 144 D. 270 E. 288...


Re: If x and y are two points on the number line what is the value of x + y?

If x and y are two points on the number line what is the value of x + y? (1) 6 is halfway between x and y (2) y = 2x OA A Source: GMAT Prep Target question : What is the value of x + y? Statement 1 : 6 is halfway between x and y. KEY CONCEPT: The average (arithmetic mean) of 2 numbers is HALFWAY be...


Re: If the list price of a new car was \(\$12,300,\) what was the cost of the car to the dealer?

If the list price of a new car was \(\$12,300,\) what was the cost of the car to the dealer? (1) The cost to the dealer was equal to \(80\) percent of the list price. (2) The car was sold for \(\$11,070,\) which was \(12.5\) percent more than the cost to the dealer. Answer: D Source: Official Guide...


Re: At least 100 students at a certain high school study Japanese. If 4 percent of the students at the school who study

At least 100 students at a certain high school study Japanese. If 4 percent of the students at the school who study French also study Japanese do more students at the school study french than Japanese? (1) 16 students at the school study both French and Japanese (2) 10 percent of the students at th...


Re: If k is an odd integer, which of the following must be an even integer?

Magoosh If k is an odd integer, which of the following must be an even integer? A. \(k^2-4\) B. \(3k+2\) C. \(2k+1\) D. \(\dfrac{12k}{8}\) E. \(\dfrac{6k}{3}\) OA E The key word in must , which means the correct answer will yield an EVEN value for ALL odd values of k. So, if we find an odd value fo...


Re: If \(S_n\) is the sum of first \(n\) terms of a certain sequence and \(S_n = n (n^2 + 1)\) for all positive integers

If \(S_n\) is the sum of first \(n\) terms of a certain sequence and \(S_n = n (n^2 + 1)\) for all positive integers. What is the \(4th\) term of the sequence? A. 10 B. 20 C. 38 D. 66 E. 68 Answer: C Source: e-GMAT GIVEN: Sn is the sum of first n terms of a certain sequence So, for example, S4 = te...


Re: Bill has a set of \(6\) black cards and a set of \(6\) red cards. Each card has a number from \(1\) through \(6,\) s

Bill has a set of \(6\) black cards and a set of \(6\) red cards. Each card has a number from \(1\) through \(6,\) such that each of the numbers \(1\) through \(6\) appears on \(1\) black card and \(1\) red card. Bill likes to play a game in which he shuffles all \(12\) cards, turns over \(4\) card...


Re: What is the average (arithmetic mean) of eleven consecutive integers?

What is the average (arithmetic mean) of eleven consecutive integers? (1) The average of the first nine integers is 7 (2) The average of the last nine integers is 9. Answer: D Source: GMAT Prep There's a nice rule that says, "In a set where the numbers are equally spaced, the mean will equal the me...


Re: What is the retail price of a certain calculator?

What is the retail price of a certain calculator? (1) The retail price of the calculator is $2.00 more than the wholesale price. (2) The retail price of the calculator is 50 percent more than the $4.00 wholesale price. Answer: B Source: Manhattan GMAT Target question : What is the retail price of a...

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Fri May 14, 2021 5:37 am
Forum: Data Sufficiency
Topic: What is the retail price of a certain calculator?
Replies: 1
Views: 17

Re: A retail appliance store priced a video recorder at 20 percent above the wholesale cost of $200. If a store employee

A retail appliance store priced a video recorder at 20 percent above the wholesale cost of $200. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder? (A) $198 (B) $216 (C) $220 (D) $230 (E) $240 Answer:...


Re: At the end of year \(X,\) automobile installment credit accounted for \(36\%\) of all outstanding consumer installme

At the end of year \(X,\) automobile installment credit accounted for \(36\%\) of all outstanding consumer installment credit. At that time automobile finance companies extended \(\$57\) billion of credit or \(\dfrac13\) of the automobile installment credit. How many billion dollars of consumer ins...


Re: If integer \(k\) is equal to the sum of all even multiples of \(15\) between \(295\) and \(615,\) what is the greate

If integer \(k\) is equal to the sum of all even multiples of \(15\) between \(295\) and \(615,\) what is the greatest prime factor of \(k?\) A. 5 B. 7 C. 11 D. 13 E. 17 Answer: C Source: Manhattan GMAT Multiples of 15: 15, 30, 45, 60, 75, 90, 105, etc EVEN multiples of 15: 30, 60, 90, 120, .... So...


Re: For every integer \(k\) from \(1\) to \(10,\) inclusive the \(k \,th\) term of a certain sequence is given by

For every integer \(k\) from \(1\) to \(10,\) inclusive the \(k \,th\) term of a certain sequence is given by \((-1)^{k+1}\cdot \dfrac1{2k}.\) If \(T\) is the sum of the first \(10\) terms in the sequence, then \(T\) is A. Greater than \(2.\) B. Between \(1\) and \(2.\) C. Between \(\dfrac12\) and ...


Re: A project requires a rectangular sheet of cardboard satisfying the following requirement: When the sheet is cut into

A project requires a rectangular sheet of cardboard satisfying the following requirement: When the sheet is cut into identical rectangular halves, each of the resulting rectangles has the same ratio of length to width as the original sheet. Which of the following sheets comes closest to satisfying ...


Re: At what speed was a train traveling on a trip when it had completed half of the total distance of the trip?

At what speed was a train traveling on a trip when it had completed half of the total distance of the trip? (1) The trip was 460 miles long and took 4 hours to complete. (2) The train traveled at an average rate of 115 miles per hour on the trip. Answer: E Source: Official Guide Target question : A...