### SAT Toughest Questions

## SAT Toughest Questions

Did You know there are Maths problems on the SAT that only 3 % of Test Takers can get correct ? Because it means–for most of us–there are problems we can’t get right no matter how much time we spend on them.

Solution: Learn to spot those problems quickly, make your best guess, and keep moving. Don’t waste time on questions you can’t answer. Save it for the ones you can get correct!

Here are few most SAT toughest Questions with Correct Answers:

### Question 1:

####
If x is the average (arithmetic mean) of m and 9 , y is the average of 2 m and 15 , and z is the average of 3 m and 18 , what is the average -of x , y , and z in terms of m ?

(A)

* Correct Answer : (B) **m**+**7 *

### Question 2:

#### A sale person's commissions is K percent of the selling price of car , which of the following represents the commission, in dollars , on cars that sold for $ 14000 each ?

(A) 280 k

(B) 7000 k

(C) 28000 k

(D) 14000 / (100 / 2k)

* Correcr Answer : (A) 280 K *

### Question 3:

#### In an election 2.8 million votes were cast and each vote was for either Candidate 1 or Candidate 2. Candidate I recieved 28,000 more votes than Candidate 2. what percent of the 2.8 million votes were cast for Candidate 1 ?

(A) 50.05%

(B) 50.1%

(C) 50.5%

(D) 51%

(E) 55%

* Correcr Answer : (C) 50.5% *

### Question 4:

#### The graph below shows the function g where g ( x ) = k ( x + 3 )( x - 3 ) for some constant k. If g ( a - 1.2) = 0 and a > 0, what is the value of a ?

(A) 4.2

(B) 3.2

(C) 4.6

(D) 4.8

* Correcr Answer : (A) 4.2 *

### Question 5:

#### If the length of a rectangle is increased by 30 % and the width of the same rectangle is decreased by 30 % , what is the effect on the area of the rectangle ?

(A) It is increased by 60%

(B) It is increased by 30%

(C) It is unchanged

(D) It is decreased by 15%

(E) It is decreased by 9%

* Correcr Answer : (E) It is decreased by 9% *

### Question 6:

#### If 3 x − y = 12, what is the value of 8 ^ x / 2 ^ y ?

(A) 2^12

(B) 8^2

(C) 4^4

(D) The value cannot be determined from the information given.

* Correcr Answer : (A) 2^12 *

### Question 7:

#### A grain silo is built from two right circular cones and a right circular cylinder with internal measurements represented by the figure above. Of the following, which is closest to the volume of the grain silo, in cubic feet?

(A) 261.8

(B) 785.4

(C) 916.3

(D) 1047.2

* Correct Answer : (D) 1047.2 *

### Question 8:

#### The radius of circle A is 1/3 the radius of circle B. Circle A rolls around circle B one trip back to its starting point. How many times will circle A revolve in total ?

(A) 3/2

(B) 3

(C) 6

(D) 4

* Correct Answer : (D) 4 *

### Question 9:

#### What is the sum of all values of m that satisfy 2m^2 - 16m + 8 = 0 ?

(A) -8

(B) -4√3

(C) 4√3

(D) 8

* Correct Answer : (D) 8 *

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If3 x = 12 , what is the value of ?

A)2 12 4 4 8 2

B)

C)

D) The value cannot be determined from the information given.

questionHey please someone provide the solution for this If_2 a − 1 = _4 y , and y ≠ 0 where a ≠ 1, what is y in terms of a? A) y = 2a − 2 B) y = 2a − 4 C) y = 2a − _ 2 1 D) y = _ 2 a + 1

Key: A

Objective: You must complete operations with multiple terms and manipulate an equation to isolate the variable of interest. Explanation:

Choice A is correct. Multiplying both sides of the equation by the denominators of the rational expressions in the equation gives 2y = 4a − 4.

You should then divide both sides by 2 to isolate the y variable, yielding the equation y = 2a − 2. Choice B is incorrect.

This equation may be the result of not dividing both terms by 2 when isolating y in the equation 2y = 4a − 4.

Choice C is incorrect.

This equation may result from not distributing the 4 when multiplying 4 and (a − 1). Choice D is incorrect.

This equation may result from solving 2y = 4a − 4 for a, yielding a = _ 1 2 y + 1.

A misunderstanding of the meaning of variables may have resulted in switching the variables to match the answer choice

Where can I get last year SAT question papers?