Question 1
If the median of a set of five consecutive integers is equal to 10, find
S = 1 + 2 + 3 + ... + n, where
n is the smallest integer among those three integers.
Question 2
If x + 3 = y and y + 2y - 4 = y + 4, find the value of x
3.
Question 3
Two dice are rolled. What is the probability the sum to be 4?
Question 4
The ratio of the sides of a rectangle is 2:1. The area of the rectangle is 18. Find its perimeter.
Question 5
Let |m - 1| = n and n
2 - n - 4 = n - 1. Find m + n = ?
Question 6
The average of 20 numbers is 10 and one of them is 1. What is the average of the other nine numbers?
Question 7
If a + b = 3 and a
2 + b
2 = 17, what is the value of
ab?
Question 8
A store sells each TV for $500. If someone buys 10 TV, he would get 10% discount for every TV.
What is the wholesale price of 10 TV?
Question 9
If x + y = 2 and x - y = z - 1, what is the value of x
2 + y
2 in terms of z?
Question 10
The slopes of line 1 and line 2 are
m1 and
m2 respectively.
Select the correct statement.
Question 11
If the multiply if three consecutive positive integer is equal to
3n, which
n is the second number, what is the sum of these three integers?
Question 12
If [tex]a=\frac{2b}{\sqrt{c}}[/tex] and [tex]c=b\sqrt{2}[/tex], what is the value of
a?
Question 13
Sarah runs
x miles every week. She looses
y calories for every mile she runs, and she runs the same distance every day. How much calories she looses everyday in terms of
x and
y?
Question 14
X is 20 years older than Y. After 5 years X's age will be 3 times more than Y. Find X + Y.
Question 15
Find the slope of a line which passes through points (1, 3) and (x, 3).
Question 16
Bob wants to create a cylinder. Each
cm2 costs $1. The radius of the cylinder is 3 meters, and its height is
h meters. How much does he have to pay in terms of
h?
Question 17
What is the sum of the internal angles of a pentagon?
Question 18
A dice is rolled. What is the probability to shows 6?
Question 19
If a segment with a slope of
m passes through points (1, 2) and (2, 1), what is the value of
m2?
Question 20
If [tex]ab = 3[/tex] and [tex]b = -\frac{1}{3}[/tex], what is the value of [tex]a^2b[/tex]?