Search found 1462 matches
Princeton Review To fill a number of vacancies, an employer must hire 3 programmers from among 6 applicants and 2 managers from among 4 applicants. What is the total number of ways in which she can make her selection? A. 1,490 B. 132 C. 120 D. 60 E. 23 This is a combination problem since the order ...
- by Jeff@TargetTestPrep
Wed Sep 05, 2018 9:43 am- Forum: Problem Solving
- Topic: To fill a number of vacancies, an employer must hire 3
- Replies: 2
- Views: 898
Veritas Prep When running a mile during a recent track meet, Nuria was initially credited with a final time of 5 minutes, 44 seconds. Shortly after her run, officials realized that the timing mechanism malfunctioned. The stopwatch did not begin timing her until 11/25 of a minute after she began to ...
- by Jeff@TargetTestPrep
Wed Sep 05, 2018 9:42 am- Forum: Problem Solving
- Topic: When running a mile during a recent track meet, Nuria was
- Replies: 3
- Views: 771
M. Poirot and Miss Marple walk into a turned-off escalator to realize that he is able to walk 3 steps during the time she needs to walk only 2. When the escalator is turned-on and it is already working at constant speed, M. Poirot enters again the escalator to realize he needs to take 25 steps to g...
- by Jeff@TargetTestPrep
Wed Sep 05, 2018 9:42 am- Forum: Problem Solving
- Topic: Agatha Christie´s Escalator
- Replies: 7
- Views: 1389
Source: Official Guide There are 200 cats in Cat-City. Out of the 200, 70 are street cats and the rest are domestic cats. 110 cats are gray, 30 out of the gray cats are NOT domestic ones. How many domestic cats are there which are not gray in Cat-City? A. 90 B. 80 C. 50 D. 40 E. 25 Since 70 are str...
- by Jeff@TargetTestPrep
Wed Sep 05, 2018 9:38 am- Forum: Problem Solving
- Topic: There are 200 cats in Cat-City. Out of the 200, 70 are
- Replies: 2
- Views: 867
Source: Magoosh In a certain summer school program, there are five periods in the day. Each student takes English, Math, History, Science, and Science Lab. In how many orders can a student schedule be arranged given that Science lab must immediately follow the Science class? A. 20 B. 24 C. 100 D. 1...
- by Jeff@TargetTestPrep
Wed Sep 05, 2018 9:38 am- Forum: Problem Solving
- Topic: In a certain summer school program, there are five periods
- Replies: 3
- Views: 809
A clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store�s gross profit from the item was what percent of its cost for the item? (1) y � x = 20 2) y / x = 5 / 4 We are given that a clothing store acquired an item at a cost of x dollars and sold the ite...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 11:18 am- Forum: Data Sufficiency
- Topic: Gross Profit
- Replies: 7
- Views: 3366
If a < x < b and c < y < d, is x < y ? (1) a < c (2) b < c We are given that a < x < b, and that c < y < d. We must determine whether x < y. Statement One Alone: a < c From the information in statement one we know that a (the smallest value in the inequality a < x < b) is less than c (the smallest ...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 11:16 am- Forum: Data Sufficiency
- Topic: If a < x < b and c < y < d
- Replies: 2
- Views: 1252
If x and y are positive, is x/y greater than 1 ? (1) xy > 1 (2) x - y > 0 We are asked is x/y > 1? Since x and y are positive we can multiply both sides of our inequality by y to obtain: Is x > y? Statement One Alone: xy > 1 Knowing that the product of xy is greater than 1 does not allow us to dete...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 4:05 am- Forum: Data Sufficiency
- Topic: OG2015 DS If x and y
- Replies: 3
- Views: 1177
How many directors of both Company K and Company R? (1) Thee were 17 directors present at joint meeting of the directors of Company K and Company R, and no directors were absent. (2) Company K has 12 directors and Company R has 8 directors. We must determine how many individuals are directors for b...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 4:03 am- Forum: Data Sufficiency
- Topic: OG13 - Quant Review - DS - 49
- Replies: 7
- Views: 5967
Robots X, Y, and Z each assemble components at their respective constant rates. If rx is the ratio of Robot X's constant rate to Robot Z's constant rate and ry is the ratio of Robot Y's constant rate to Robot Z's constant rate, is Robot Z's constant rate the greatest of the three? (1) rx < ry (2) r...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:59 am- Forum: Data Sufficiency
- Topic: OG Review - DS #47
- Replies: 6
- Views: 2304
What is the tenth digit in the decimal representation of a certain number? (1) The number is less than 1/3 (2) The number is greater than 1/4 We need to determine the value of the tenths place of a particular number. Statement One Alone: The number is less than 1/3. Since the number is less than 1/...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:59 am- Forum: Data Sufficiency
- Topic: DS_Arithmetic
- Replies: 4
- Views: 1788
Angela has 15 pairs of matched socks. If she loses 7 individual socks, which of the following is NOT a possible number of matched pairs she has left? A. 8 B. 9 C. 10 D. 11 E. 12 If Angela loses 7 socks such that each is from a distinct pair of matched socks, then the other 7 socks that are left fro...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:56 am- Forum: Problem Solving
- Topic: Angela has 15 pairs of matched socks. If she loses 7
- Replies: 4
- Views: 726
GMAT Prep At a constant Rate of flow, it takes 20 minutes to fill a swimming pool if a large hose is used and 30 minutes if a small hose is Used. At these constant rates, how many minutes will it take to fill the pool when both hoses are used simultaneously? A. 10 B. 12 C. 15 D. 25 E. 50 We are giv...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:55 am- Forum: Problem Solving
- Topic: At a constant rate of flow, it take 20 minutes to fill a
- Replies: 2
- Views: 544
If 4 is one solution of the equation x^2 + 3x + k = 10, where k is a constant, what is the other solution? (A) -7 (B) -4 (C) -3 (D) 1 (E) 6 Since x = 4, we have: 4^2 + (3)(4) + k = 10 16 + 12 + k = 10 28 + k = 10 k = -18 Next we plug -18 into the given equation for k and then solve for x. x^2 + 3x ...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:52 am- Forum: Problem Solving
- Topic: If 4 is one solution of the equation x^2 + 3x + k = 10,
- Replies: 5
- Views: 987
. Of the science books in a certain supply room, 50 are on botany, 65 are on zoology, 90 are on physics. 50 are on geology, and 110 are on chemistry. If science books are removed randomly from the supply room, how many must be removed to ensure that 80 of the books removed are on the same science? ...
- by Jeff@TargetTestPrep
Tue Sep 04, 2018 3:50 am- Forum: Problem Solving
- Topic: science books
- Replies: 3
- Views: 3194