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If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920
Data Sufficiency
If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920
GMAT Prep
If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920?
1) Exactly 6 of his coins were minted in 1910 or 1920
2) Exactly 7 of his coins were minted in 1920 or 1930
OA C
- by AAPL
Sat Jun 25, 2022 8:15 am- Forum: Data Sufficiency
- Topic: If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920
- Replies: 0
- Views: 41
A certain language school has two classes for children. If the range of ages, in years, of the children in the first
Data Sufficiency
A certain language school has two classes for children. If the range of ages, in years, of the children in the first
GMAT Prep A certain language school has two classes for children. Is the range of ages, in years, of the children in the first class equal to the range of ages, in years, of the children in the second class? 1) In each class, the number of children is 18 and the age of the youngest child is 8 years...
- by AAPL
Sat Jun 25, 2022 8:09 am- Forum: Data Sufficiency
- Topic: A certain language school has two classes for children. If the range of ages, in years, of the children in the first
- Replies: 0
- Views: 29
The ratio of pines to magnolias in a nursery is 10:2. If the sum of the number of pines and magnolias in the nursery is
Problem Solving
The ratio of pines to magnolias in a nursery is 10:2. If the sum of the number of pines and magnolias in the nursery is
Veritas Prep
The ratio of pines to magnolias in a nursery is 10:2. If the sum of the number of pines and magnolias in the nursery is 108, how many magnolias are in the nursery?
A. 9
B. 11
C. 18
D. 20
E. 54
OA C
- by AAPL
Sat Jun 25, 2022 8:02 am- Forum: Problem Solving
- Topic: The ratio of pines to magnolias in a nursery is 10:2. If the sum of the number of pines and magnolias in the nursery is
- Replies: 0
- Views: 39
One machine, working at a constant rate, can fill a certain production order in 8 hours. How long would it take four
Problem Solving
One machine, working at a constant rate, can fill a certain production order in 8 hours. How long would it take four
Veritas Prep
One machine, working at a constant rate, can fill a certain production order in 8 hours. How long would it take four identical machines, working at the same constant rate, to fill the order?
A. 2 hours
B. 4 hours
C. 8 hours
D. 16 hours
E. 32 hours
OA A
- by AAPL
Sat Jun 25, 2022 7:54 am- Forum: Problem Solving
- Topic: One machine, working at a constant rate, can fill a certain production order in 8 hours. How long would it take four
- Replies: 0
- Views: 37
The Lewiston Road Race is how many kilometers long?
Princeton Review The Lewiston Road Race is how many kilometers long? 1) It takes 2 more hours to complete the race at an average speed of 40 kilometers per hour than at an average speed of 50 kilometers per hour 2) At an average speed of 20 kilometers per hour, it took Brett 10 hours to complete ha...
- by AAPL
Sun Jun 19, 2022 9:47 am- Forum: Data Sufficiency
- Topic: The Lewiston Road Race is how many kilometers long?
- Replies: 0
- Views: 83
Sandra is paid an hourly base rate for babysitting up to two children a day, and an additional 20% per hour for each
Data Sufficiency
Sandra is paid an hourly base rate for babysitting up to two children a day, and an additional 20% per hour for each
Princeton Review Sandra is paid an hourly base rate for babysitting up to two children a day, and an additional 20% per hour for each additional child. If her hours are rounded up to the next full hour, how many hours was Sandra paid for last week? 1) One day last week, Sandra was paid $51 to babys...
- by AAPL
Sun Jun 19, 2022 9:40 am- Forum: Data Sufficiency
- Topic: Sandra is paid an hourly base rate for babysitting up to two children a day, and an additional 20% per hour for each
- Replies: 0
- Views: 55
A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many
Problem Solving
A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many
Official Guide
A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many paper clips are contained in \(2\) cases?
A. \(100bc\)
B. \(\dfrac{100b}{c}\)
C. \(200bc\)
D. \(\dfrac{200b}{c}\)
E. \(\dfrac{200}{bc}\)
OA C
- by AAPL
Sun Jun 19, 2022 9:27 am- Forum: Problem Solving
- Topic: A case contains \(c\) cartons. Each carton contains \(b\) boxes, and each box contains \(100\) paper clips. How many
- Replies: 1
- Views: 105
The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983
Problem Solving
The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983
Official Guide
The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983. What was the approximate percent increase in the number of coronary-bypass operations from 1970 to 1983?
A. 90%
B. 140%
C. 150%
D. 1,400%
E. 1,600%
OA D
- by AAPL
Sun Jun 19, 2022 9:23 am- Forum: Problem Solving
- Topic: The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983
- Replies: 0
- Views: 56
What were the individual prices of the vases that an antique dealer bought at store X?
Data Sufficiency
What were the individual prices of the vases that an antique dealer bought at store X?
GMAT Prep
What were the individual prices of the vases that an antique dealer bought at store X?
1) The antique dealer bought exactly 3 vases at store X
2) The antique dealer’s total bill at store X was $225
OA E
- by AAPL
Sat Jun 11, 2022 9:49 am- Forum: Data Sufficiency
- Topic: What were the individual prices of the vases that an antique dealer bought at store X?
- Replies: 0
- Views: 125
If the operation \(\emptyset\) is defined for all positive integers \(x\) and \(w\) by
Problem Solving
If the operation \(\emptyset\) is defined for all positive integers \(x\) and \(w\) by
GMAT Prep
If the operation \(\emptyset\) is defined for all positive integers \(x\) and \(w\) by \(x \emptyset w =\dfrac{2^x}{2^w}\) then \((3\emptyset 1) \emptyset 3=?\)
A. 2
B. 4
C. 8
D. 16
E. 32
OA A
- by AAPL
Sat Jun 11, 2022 9:36 am- Forum: Problem Solving
- Topic: If the operation \(\emptyset\) is defined for all positive integers \(x\) and \(w\) by
- Replies: 0
- Views: 115
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what
Problem Solving
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what
GMAT Prep
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability that exactly two visitors buy a pack of candy?
A. 0.343
B. 0.147
C. 0.189
D. 0.063
E. 0.027
OA C
- by AAPL
Sat Jun 11, 2022 9:24 am- Forum: Problem Solving
- Topic: The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what
- Replies: 0
- Views: 91
Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as
Problem Solving
Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as
GMAT Prep
Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as Erik, then in 2 years what would be Roy’s age multiplied by Iris's age?
A. 8
B. 28
C. 48
D. 50
E. 52
OA C
- by AAPL
Fri Apr 01, 2022 8:54 am- Forum: Problem Solving
- Topic: Roy is now 4 years older than Erik and half of that amount older than Iris. If in 2 years, Roy will be twice as old as
- Replies: 1
- Views: 308
Of the total number of copies of Magazine X sold last week, 40 percent were sold at full price. What was the total
Data Sufficiency
Of the total number of copies of Magazine X sold last week, 40 percent were sold at full price. What was the total
Official Guide Of the total number of copies of Magazine X sold last week, 40 percent were sold at full price. What was the total number of copies of the magazine sold last week? 1) Last week, the full price for a copy of Magazine X was $1.50 and the total revenue from full-price sales was $112,500...
- by AAPL
Thu Mar 24, 2022 2:36 pm- Forum: Data Sufficiency
- Topic: Of the total number of copies of Magazine X sold last week, 40 percent were sold at full price. What was the total
- Replies: 0
- Views: 417
How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?
Data Sufficiency
How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?
Official Guide
How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?
1) Of the 60 cars sold, 20 had a stereo but no power windows
2) Of the 60 cars sold, 30 had both power windows and a stereo
OA E
- by AAPL
Thu Mar 24, 2022 2:33 pm- Forum: Data Sufficiency
- Topic: How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?
- Replies: 0
- Views: 372
The volume of a chemical solution in a tank is described by the formula \(\dfrac{kT^2c}{p},\) where k is a constant, T
Problem Solving
The volume of a chemical solution in a tank is described by the formula \(\dfrac{kT^2c}{p},\) where k is a constant, T
Manhattan Prep The volume of a chemical solution in a tank is described by the formula \(\dfrac{kT^2c}{p},\) where k is a constant, T is the temperature, c is the concentration of the chemical solution, and p is the atmospheric pressure. The solution in the tank can be either hot or cold. When hot,...
- by AAPL
Thu Mar 24, 2022 2:24 pm- Forum: Problem Solving
- Topic: The volume of a chemical solution in a tank is described by the formula \(\dfrac{kT^2c}{p},\) where k is a constant, T
- Replies: 0
- Views: 261