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Of three events that might occur, event A is independent of each of the other two, and events B and C are mutually

Manhattan Prep Of three events that might occur, event A is independent of each of the other two, and events B and C are mutually exclusive. The probability that individual events A, B, and C will occur are 0.5, 0.3, and 0.2, respectively. What is the probability that both event A and event C will ...


If a student is selected at random from Learngood Elementary, what is the probability that the student will be a boy?

Magoosh

If a student is selected at random from Leargood Elementary, what is the probability that the student will be a boy?

1) There are 480 students at Learngood
2) At Learngood, the ratio of boys to girls is 7:5

OA B


On each lab that René completed he received either 100 points or 85 points. On how many labs did he score 100 points?

Magoosh

On each lab that René completed he received either 100 points or 85 points. On how many labs did he score 100 points?

1) René's scores for his completed labs totaled 1140 points

2) René completed a total of twelve labs

OA A


An artist is paiting a white circular region on the top surface of a square blue tile that measures 8 inches on a side.

GMAT Prep An artist is painting a circular region on the top surface of a square blue tile that measures 8 inches on a side. If the circle is inscribed in the square, what fraction of the top surface of the tile will be blue? A. \(\dfrac{1}{4}\) B. \(\dfrac{1}{2}\) C. \(\dfrac{\pi}{4}\) D. \(\dfrac...


A college admissions officer predicts that 20 of the students who are accepted willl not attend the college. According

GMAT Prep

A college admissions officer predicts that 20 percent of the students who are accepted will not attend the college. According to this prediction, how many students should be accepted to achieve a panned enrollment of x students?

A. 1.05x
B. 1.1x
C. 1.2x
D. 1.25x
E. 1.8x

OA D


In a class of 30 students, Emma secured the third rank among the girls, while her brother Ben studying in the same class

Magoosh In a class of 30 students, Emma secured the third rank among the girls, while her brother Ben studying in the same class secured the sixth rank in the whole class. Between the two, who had a better overall rank? 1) Ben was among the top 25% of the boys' merit list in the class in which 60% ...


A certain zoo has mammal and reptiles and birds, and no other animal. The ratio of mammals to reptiles to birds is 11:8:

Magoosh A certain zoo has mammals and reptiles and birds, and no other animals. The ratio of mammals to reptiles to birds is 11:8:5. How many birds are in the zoo? 1) There are twelve more mammals in the zoo than there are reptiles 2) If the zoo acquired 16 more mammals, the ratio of mammals to bir...


The maximum temperatures, in degrees Fahrenheit, recorded in a city on 5 consecutive days were x + 3, 95, 87, x + 7, and

GMAT Prep

The maximum temperatures, in degrees Fahrenheit, recorded in a city on 5 consecutive days were x + 3, 95, 87, x + 7, and x. If the average (arithmetic mean) of these temperatures was 90 degrees Fahrenheit, what is the value of x?

A. 85
B. 86
C. 87
D. 88
E. 89

OA B


The United States mint produces coins in 1-cent, 5-cent, 10-cent, 25-cent, and 50-cent denominations. If a jar contains

Official Guide The United States mint produces coins in 1-cent, 5-cent, 10-cent, 25-cent, and 50-cent denominations. If a jar contains exactly 100 cents worth of these coins, which of the following could be the total number of coins in the jar? I. 91 II. 81 III. 76 A. I only B. II only C. III only ...


Four hours from now, the population of a colony of bacteria will reach \(1.28*10^6.\) If the population of the colony

Official Guide

Four hours from now, the population of a colony of bacteria will reach \(1.28*10^6.\) If the population of the colony doubles every \(4\) hours, what was the population \(12\) hours ago?

A. \(6.4*10^2\)
B. \(8.0*10^4\)
C. \(1.6*10^5\)
D. \(3.2*10^5\)
E. \(8.0*10^6\)

OA B


Missy ate m more crackers than Audrey did, from a box that originally contained n crackers. Together, they finished the

Veritas Prep Missy ate m more crackers than Audrey did, from a box that originally contained n crackers. Together, they finished the box. Which of the following represents the number of crackers that Missy ate? A. \(\dfrac{(n+m)}{2n}\) B. \(\dfrac{(m-n)}{2}\) C. \(\dfrac{(n-m)}{2}\) D. \(\dfrac{(m+...


Pam owns an inventory of unopened packages of corn and rice, which she has purchased for $17 and $13 per package,

GMAT Prep

Pam owns an inventory of unopened packages of corn and rice, which she has purchased for $17 and $13 per package, respectively. How many packages of corn does she have?

1. She has $282 worth of packages
2. She has twice as many packages of corn as rice

OA A


A certain electrolyte solution contains 1 gram of salt for every 8 grams of sugar and every 200 grams of water. If the

Princeton Review A certain electrolyte solution contains 1 gram of salt for every 8 grams of sugar and every 200 grams of water. If the sugar to water ratio is halved, the salt to sugar ratio is tripled, and the resulting solution contains 5 grams of salt, how many grams of water does the resulting...