42 ÷ 7 x 3
18
252 - 242
49
What is the sum of all the even numbers from 1 to 100?
2550
The ratio of two numbers is 8 : 13. If the larger number is 91, then what is the smaller number?
56
What is the 100th digit between 1 and 100?
5
If 83 = 512, then what is x in 2x = 512?
9
What is the next letter in this series J, F, M, A, M, ___?
J
Find the cube root of 0.000000729.
0.009
If 12 men can finish a job in 6 days, then how long will it take 9 men to finish the same job?
8 days
What is the equation of the line that is parallel to the x-axis and that passes through (-1, -5)? (Write your answer in slope-intercept form.)
y = -5
How many triangles does this figure have?
8 triangles
If x = 2 and y = 5, then what is y2 - 2xy - x2?
1
In a class of 50 students, 39 like basketball and 26 like badminton. How many like both sports?
15 students
Steve Rogers is twice as old as Peter Parker. Nine years ago, Steve Rogers was thrice as old as Peter Parker was then. How old is Steve Rogers now?
36 years old
What is the next number in this series: 1, -2, 4, -8, 16, ___
-32
Factor completely: x2 - 7x - 8
(x - 8)(x + 1)
What is the perimeter of an equilateral triangle with a side length of 17 cm?
51 cm
How many triangles does this figure have?
13 triangles
What is 40% of 50% of 60% of 80?
9.6
If 3x2 - 6x + k = 0, for what values of k does the equation have no real solution?
k > 3
What is the next letter in this series O, T, T, F, F, ___?
S
What is three and one-half more than four and three-fifths? (Write you answer in words.)
eight and one-tenth
If angles of a triangle are in the ratio of 1 : 2 : 3, then what is the measure of the smallest angle?
30o
Let x, y, and z be three consecutive odd integers such that the sum of x and y is equal to z + 1, and the sum of all 3 integers is 15. What is the value of z?
7
The length of the hypotenuse of a right triangle is 26 cm. If one leg is 14 cm longer than the other, find the length of the shorter leg.
10 cm