This practice SAT test includes only divisibility and factors questions which are part of the SAT mathematics section.
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If n is and odd integer, which expression always represents and odd integer?
(n-1)^2
n^2 +2n+1
3^n + 1
(n+1)/2
(2n-1)^2
If z represents and even number and y represents any odd number, which of the following numbers is even?
y(y+2)
(z+1)(y-1)
z+y
z-1
y+2
After m marbles are put into n jars, each jar contains the same number of marbles, with two marbles remaining. In terms of m and n, how many marbles were put into each jar?
(m-2)/n
(mn)/ n+2
(m+2)/n
(m/n) +2
(m/n) -2
If the sum of the factors of 18 is S and the sum of the prime numbers less than 18 is P, then P exceeds S by what number?
13
19
11
15
17
A jar contains between 40 and 50 marble. If the marbles are taken out of the jar three at a time, two marbles will be left in the jar. If the marbles are taken out five at a time, four marbles will be left in the jar. How many marbles are there in the jar?
47
41
44
49
43
When a is divided by 7, the remainder is 5; and when b is divided by 7 the remainder is 4. What is the remainder when a+b is divided by seven?
3
1
4
2
5
How many integers from -3000 to 3000, inclusive, are divisible by 3?
1000
1001
2001
1500
2000
When a positive integer, k is divided by 6, the remainder is 1. What is the remainder when 5k is divided by 3?
Cannot be determined
No remainder dude!!!
For how many different integers p is 105 divided by 5 also an integer?
6
9
8
7
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