If x + √ 25 = √ 36, then x equals??
1
The mean (average) of 5 consecutive integers is 9. What is the smallest of these 5 integers?
7
There are 400 students at KIS, where the ratio of boys to girls is 3 : 2. There are 600 students at SFS, where the ratio of boys to girls is 2 : 3. When considering all the students from both schools, what is the ratio of boys to girls?
12:13
If x and y are positive integers with x + y = 31, then the largest possible value of xy is??
240
How many ordered pairs (a, b) of positive integers satisfy a^2 + b^2 = 50 ?
3
What is the largest positive integer n that satisfies
n^ 200 < 3^ 500?
15
How many of the 20 perfect squares
1^2 , 2^2 , 3^2 , . . . , 19^2 , 20^2
are divisible by 9?
6
Two lines with slopes and
intersect at
. What is the area of the triangle enclosed by these two lines and the line
6
At KIS of the students like dancing, and the rest dislike it. Of those who like dancing,
say that they like it, and the rest say that they dislike it. Of those who dislike dancing,
say that they dislike it, and the rest say that they like it. What fraction of students who say they dislike dancing actually like it?
25 percent
The lines with equations and
are perpendicular and intersect at
. What is c?
13
Marvin had a birthday on Tuesday, May 27 in the leap year . In what year will his birthday next fall on a Saturday? (leap year has 366 days)
2017
Tom is constructing a scaled model of his town. The city's water tower stands 40 meters high, and the top portion is a sphere that holds 100,000 liters of water. Logan's miniature water tower holds 0.1 liters. How tall, in meters, should Tom make his tower?
0.4