Test Your Mathematical Skills: A Quiz For 12th Grade
10 Questions
| Total Attempts: 228
Small minds discuss persons. Average minds discuss events. Great minds discuss ideas. Great minds discuss mathematics. We believe you have a great mind and are going to ace this math quiz. Let's start now!
Questions and Answers
- 1.
Simplify: (4 – 5) – (13 – 18 + 2).- A.
-1
- B.
–2
- C.
1
- D.
2
- 2.
Simplify:(4x2 - 2x) - (-5x2 - 8x)
- A.
9x(3x + 2)
- B.
8x(3x + 2)
- C.
4x(3x + 2)
- D.
3x(3x + 2)
- 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 wire is wound around a rod. The wire goes exactly 5 times around the rod. The circumference of the rod is 12 cm and the height is 25 cm. What's the length of the wire?
- A.
70
- B.
60
- C.
65
- D.
80
- 5.
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
- 6.
How man "yes" or "no" questions are needed to guess any 5-digit code?
- A.
21
- B.
19
- C.
17
- D.
23
- 7.
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
- 8.
9+99+999+...+999999999999999999999= ? The addition shown above has 21 terms and the last element consists of 21 9's. Find the three last digits of the sum?
- A.
999
- B.
089
- C.
989
- D.
789
- 9.
If Jack walks up on an escalator at a rate of one step per second, 12 steps take him to the top. If Jack goes up at two steps per second, he reaches the top in 20 steps. How many steps are there on the escalator?
- A.
40
- B.
120
- C.
80
- D.
60
- 10.
Garry arranged the digits 2 through 9 in a particular order as follows: 8 5 4 9 7 6 3 2 Where should the digit 1 be placed in this order?
- A.
At the end
- B.
At the beginning
- C.
Between 9 and 7
- D.
Between 6 and 3
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