10 Questions | Total Attempts: 241

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Are you in the league of the greats like Aristotle, Edison, Einstein and the rest who wrought great inventions through the use of science and math? Are you a wiz at 12th grade Math? Take this very interesting quiz to find out!

• 1.
Mary can complete an activity in 40 days. John can complete an activity in 50 days. Estimate for how many days they work on 2 activities if they change them at the best moment?
• A.

46

• B.

45

• C.

45

• D.

44.44

• 2.
A cube is painted on theside and then divided into one-unit cubes. The total number of painted faces equals the total number of unpainted faces. What was thesidelengthof the cube before it was painted?
• A.

4 units

• B.

3 unites

• C.

2 units

• D.

5 units

• 3.
What is the radius of a circle that has a circumference of 3.14 meters?
• A.

0.2 meter

• B.

0.3 meter

• C.

0.4 meter

• D.

0.5 meter

• 4.
A man has \$ 10,000 to invest. He invests \$ 4000 at 5 % and \$ 3500 at 4 %. In order to have a yearly income of \$ 500, he must invest the remainder at:
• A.

6 %

• B.

6.1 %

• C.

6.4 %

• D.

6.2 %

• 5.
If 102y = 25, then 10-y equals:
• A.

-1/5

• B.

1/625

• C.

1/5

• D.

1/25

• 6.
The sum of three numbers is 98. The ratio of the first to the second is 2/3, and the ratio of the second to the third is 5/8. The second number is:
• A.

15

• B.

20

• C.

30

• D.

32

• 7.
Which is greater than 4?
• A.

5

• B.

-5

• C.

-1/2

• D.

-25

• 8.
Tim travels 15 meters north of the flad in the football stadium. He turns west and travels 8 meters. He turns south and travels 6 meters and then comes back directly to the flag. Calculate Tim's travel distance.
• A.

36 meters

• B.

40 meters

• C.

44 meters

• D.

41 meters

• 9.
A 4-character password uses exactly two different digits. Each digit can be 0,1,2,3,4,5,6,7,8, or 9. How many such passowords are possible?
• A.

512

• B.

1000

• C.

1024

• D.

630

• 10.
If the volume of a cube is Xcubic meters and the total surface area of the cube is X square meters, then what is the cube's length?
• A.

3 M

• B.

6 M

• C.

1 M

• D.

27 M

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