Do you remember studying for the SAT test back in high school? How many of those math skills have you retained? (You’re gonna need a calculator for this one)

## Question 1/12

chron.com

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If the product of (1+2), (2+3), and (3+4) is equal to one-half the sum of 20 and X, what is the value of X?

10

190

105

## Question 2/12

mathzoom.org

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A lab technician found that the number of bacteria in a certain sample doubles every hour. If there were 6 bacteria at the start of the experiment, how many bacteria were there after 9 hours?

1,536

3,072

6,144

## Question 3/12

dailycal.org

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How many numbers from 1 to 200 inclusive are equal to the cube of an integer? (You should use a calculator for this one).

three

four

five

## Question 4/12

wordpress.com

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If 4 + A = 4 - A, what is the value of A?

0

-4

2

## Question 5/12

amazonaws.com

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A bakery uses a special flour mixture that contains corn, wheat, and rye in a ratio of 3:5:2. If a bag of the mixture contains 5 pounds of rye, how many pounds of wheat does it contain?

7.5

10

12.5

## Question 6/12

thelantern.com

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Fifteen percent of the coins in a piggy bank are nickels and five percent are dimes. If there are 220 coins in the bank, how many are NOT nickels or dimes?

80

176

200

## Question 7/12

dailymail.co.uk

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At the beginning of 2010, the population of Smithville was 204,000 and the population of Westfield was 216,000. If the population of each city increased by exactly 20% in 2010, how many more people lived in Westfield than in Smithville at the end of 2010?

12,000

14,400

43,200

## Question 8/12

kym-cdn.com

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An equilateral triangle has sides of length X. If a second equilateral triangle has sides of length 2X, what is the ratio of the area of the first triangle to the area of the second?

1 : 16

1 : 2

1 : 4

## Question 9/12

mustardmarketing.com

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When K is subtracted from 10, and the difference is divided by 2, the result is 3. What is the value of K?

3

4

6

## Question 10/12

abcnews.com

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Frank ran a 12-mile race at an average speed of 8 miles per hour. If Sam ran the same race at an average speed of 6 miles an hour, how many minutes longer did Sam take to complete the race than Frank?

16

24

30

## Question 11/12

depositphotos.com

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If X + 2Y = 20, Y + 2Z = 9, and 2X + Z = 22, what is the value of X + Y + Z ?

12

17

51

## Question 12/12

emilywright.net

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On a map, 1 centimeter represents 6 kilometers. A square on the map with a perimeter of 16 centimeters represents a region with what area?

96 square kilometers

256 square kilometers

576 square kilometers

## C+, Null Set

netdna-cdn.com

Right!

D'oh!

## B+, Archimedes

totallyhistory.com

Right!

Nice job! Getting around half right is very impressive.

## A+, Pythagoras

thesymbolofsuccess.com

Right!

Congrats! You got all or most of these right, which is mathematical proof that you're a math whiz.

Check Your Answers

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1

If the product of (1+2), (2+3), and (3+4) is equal to one-half the sum of 20 and X, what is the value of X?

10

190

105

2

A lab technician found that the number of bacteria in a certain sample doubles every hour. If there were 6 bacteria at the start of the experiment, how many bacteria were there after 9 hours?

1,536

3,072

6,144

3

How many numbers from 1 to 200 inclusive are equal to the cube of an integer? (You should use a calculator for this one).

three

four

five

4

If 4 + A = 4 - A, what is the value of A?

0

-4

2

5

A bakery uses a special flour mixture that contains corn, wheat, and rye in a ratio of 3:5:2. If a bag of the mixture contains 5 pounds of rye, how many pounds of wheat does it contain?

7.5

10

12.5

6

Fifteen percent of the coins in a piggy bank are nickels and five percent are dimes. If there are 220 coins in the bank, how many are NOT nickels or dimes?

80

176

200

7

At the beginning of 2010, the population of Smithville was 204,000 and the population of Westfield was 216,000. If the population of each city increased by exactly 20% in 2010, how many more people lived in Westfield than in Smithville at the end of 2010?

12,000

14,400

43,200

8

An equilateral triangle has sides of length X. If a second equilateral triangle has sides of length 2X, what is the ratio of the area of the first triangle to the area of the second?

1 : 16

1 : 2

1 : 4

9

When K is subtracted from 10, and the difference is divided by 2, the result is 3. What is the value of K?

3

4

6

10

Frank ran a 12-mile race at an average speed of 8 miles per hour. If Sam ran the same race at an average speed of 6 miles an hour, how many minutes longer did Sam take to complete the race than Frank?

16

24

30

11

If X + 2Y = 20, Y + 2Z = 9, and 2X + Z = 22, what is the value of X + Y + Z ?

12

17

51

12

On a map, 1 centimeter represents 6 kilometers. A square on the map with a perimeter of 16 centimeters represents a region with what area?

96 square kilometers

256 square kilometers

576 square kilometers