Improve Your Math: A Practice Quiz For 12th Grade
10 Questions
| Total Attempts: 241
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!
Questions and Answers
- 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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