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A bag contains 150 balls numbered 1 through 150. Three balls are drawn and placed on the table. The probability that the balls
1. 1 answer
2. 889 views
Three coins are randomly placed into different positions on a 4×10 grid. The probability that no two coins are in the same row
1. 1 answer
2. 520 views
A regular polygon has interior angles of 150∘. A,B,C,D are 4 consecutive points of this polygon. What is the measure (in
1. 2 answers
2. 1,009 views
The population in a town called Atown in December 1900 is a perfect square. In January 1901, 48 people moved in, and the
1. 2 answers
2. 956 views
How many positive integers less than 1000 are odd but not a multiple of 5
1. 1 answer
2. 557 views
What is the sum of the rational roots of f(x)=x^3−4x^2+16x−39?
1. 1 answer
2. 339 views
What is the largest possible integer that can be chosen as one of five distinct positive integers whose average is 10?
1. 2 answers
2. 451 views
As x ranges over all real values, what is the minimum value of f(x)=x−123+x−456+x−789?
1. 1 answer
2. 463 views
What is the product of all roots to the equation++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5
1. 1 answer
2. 373 views
An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant
1. 1 answer
2. 565 views

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