# SAT Practice Test

An absolutely free Math SAT practice test.
Problem #1
If the median of a set of five consecutive integers is equal to 10, find S = 1 + 2 + 3 + ... + n, which n is the smallest integer among those three integers.

Problem #2
If x + 3 = y and also y + 2y - 4 = y + 4, then find the value of x3.

Problem #3
Roll a dice 2 times. Let x be the number that show in the first time and y be the number that show in the second time. What is the probability of x + y= 4?

Problem #4
The ratio of a rectangle length to its width is 2:1. If the area of the rectangle is 18 then find the perimeter of the rectangle.

Problem #5
Let |m - 1| = n and n2 - n - 4 = n - 1 then find m + n.

Problem #6
The average of 20 numbers is 10, if one of them is 1. What is the average of other nine numbers?

Problem #7
If a + b = 3 and a2 + b2 = 17. What is the value of ab?

Problem #8
A store sells each TV $500. If someone buys 10 TV at one time, it would give 10% discount on each TV. What is the wholesale price of 10 TV after discount? Problem #9 If x + y = 2 and x - y = z - 1. What is the value of x2 + y2 in terms of z? Problem #10 According to the figure, which of the following is true? (m1 and m2 are the value of the slope of line 1 and 2 ) Problem #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? Problem #12 If $a=\frac{2b}{\sqrt{c}}$ and $c=b\sqrt{2}$, then what is the value of a in terms of b ? Problem #13 Sarah runs x miles every week. If she looses y calories for every miles she runs, and she runs the same distance every day. How much calories she looses everyday in terms of x and y? Problem #14 X is 20 years older than Y. After 5 years X's age is 3 times more than Y. Find X+Y. Problem #15 Find the slope of line which passes through points (1, 3) and (x, 3). Problem #16 Bob wants to paint a cylinder. Each cm2 would cost$1 for him to paint. If radius of cylinder is 3 meters, and its height is h meters. How much he has to pay in terms of h?

Problem #17
What is the sum of the internal angles of a pentagon?

Problem #18
Roll a dice and flip a coin one time. What is the probability that dice shows 6?

Problem #19
If a segment with a slope of m passes through point (1, 2) and (2, 1). What is the value of m2?

Problem #20
If ab = 3 and b = -⅓ then what is the value of a2b?

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