1.
Bea can paint a house three times faster than Alice can paint a house. If, working together, it takes Alice and Bea 24 hours to paint a house, then how many hours would it take Bea to paint a house alone?
2.
What percent of 15 is 15 percent of 1?
3.
Marge has n candies, where n is an integer such that 20 < n< 50. If Marge divides the candies equally among 5 children, she will have 2 candies remaining. If she divides the candies among 6 children, she will have 1 candy remaining. How many candies will remain if she divides the candies among 7 children?
4.
If x is an integer, and k= (x 1)(x +2) (x 1)(x 2), then which of the following must be true?
5.
If k is an integer, and is an integer, then k could be each of the following, EXCEPT
6.
k is a positive integer and 225 and 216 are both divisors of . If where a, band care positive integers, what is the least possible value of a + b + c?
7.
What is the smallest positive integer k such that the product If 1575
8.
If n is an integer and what is the least possible value of n ?
9.
Which of the following could be the sum of three consecutive integers?
10.
If and are integers and 2x-y =11, then 4x+y CANNOT be