Problem #1
If the probability of selecting a red ball is 1/3 and a blue one is 1/3 and a white ball is 1/3, then what is the probability of selecting a red and a white ball?
Problem #2
The ratio of a radius of a circle to the length of a square is 1:2. If the perimeter of the square is 16, what is the area of the circle?
Problem #3
Let |2m + 12|=n and |n - 3| = 3. What is the value of
m?
Problem #4
If a segment with a slope of
x, passes through points (x, 2) and (2, x). What is the value of
x?
Problem #5
If ab=4 and b=-4, then what is the value of a/b?
Problem #6
If m
1 is the slope of line 1 and m
2 is the slope of line 2, which one is true?
Problem #7
If the average of
a and
b is equal to the average of
b and
c, what is the value of
a - c?
Problem #8
If X is 8 years older than Y and the sum of their ages is equal to 30, then what is the multiply of their ages?
Problem #9
What is the value of
1 + 2 + 4 + 8 + ... + 128 = ?
Problem #10
If
b < 0 < a, then which one is true?
Problem #11
What is the average of
x2 + x + 1 and
-x + 1 and
-x2 + 1?
Problem #12
If
k ≥ 3, k is prime and
m is even, then which one is odd?
Problem #13
Find the value of
f(-10) + f(0) + f(1), according to the diagram.
Problem #14
If
x + y + z = 4 and
-y - z = 6, then what is the value of
x?
Problem #15
If 50% of 50% of
x is equal to 30 percent of 30 percent of 900, then what is the value of
x?
Problem #16
What is the value of the arc
AD?
Problem #17
If

, what is the value of

?
Problem #18
If
ab = c and
a/b = d, what is the value of
a in terms of
c and
d?
Problem #19
If
f(x) = 3x2 + 2x + 5 and
g(x)= x3 - x2 + x - 4, what is the value of
f(0) - g(1)?
Problem #20
If
c is the average of
a and
b, and also the average of
b and
?d is
c, then what's the average of
a and
d?