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Math SATs- Hard Level, Test II
A test by
Oren Lahav
.
Test Questions
Question
The crepe store is having a sale- buy a first crepe for $T, and get any additional crepe for $J less than the first crepe. How much would n crepes cost in total?
Answers
Correct
Answer Text
T(n-1)+Jn
T+(n-1)(T-J)
T+(n-1)(J)
T+n(T-J)
(T-J)+(T+J)/n
Question
Which of the following must be true if
?
Answers
Correct
Answer Text
y=0
(x^2)-(y^2)=1
x=y
(x^2)+(y^2)=1
x+y=1
Question
In the next North American tournament there are 12 more American than Canadian teams (only US and Canada are in). If there are c Canadian teams enrolled, what's the percentage of Canadian teams?
Answers
Correct
Answer Text
100c/(2c+12)%
c/(c+12)%
100c/(2c-12)%
c/(2c+12)%
c/100(2c+12)%
Question
Find the slope of the line intersecting
at (0, y1) and (2, y2).
Answers
Correct
Answer Text
1/2
2
Not enough information
2/3
3
Question
Let & define the operation a&b=2a+b and $ define the operation a$b=5a-b. If 5&v=2v$4, find v.
Answers
Correct
Answer Text
6
1
3/2
5
2
Question
The smallest number of a set of N consecutive integers is -3. If the sum of the integers is 4, find N.
Answers
Correct
Answer Text
5
8
10
7
13
Question
A machine in a chairs factory will package a chair only of its weight is between 6 (9/10) and 7 (1/10). A chair weighing x was not packaged. What must be true about x?
Answers
Correct
Answer Text
|x-7|>1/10
|x+7|<1/10
|x-7|=1/10
|x+7|>1/10
|x-7|<1/10
Question
Set A has a elements. Set B has b elements. There are n common elements. How many elements are in either A or B, but not both?
Answers
Correct
Answer Text
a+b+2n
a+b+n
a+b-2n
2a+2b-n
a+b-n
Answer
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SAT Prep
