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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

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


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...


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


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


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

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...


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


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


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


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


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


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


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...


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


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,...