- Question of
Select the prime number:
- 12
- 17
- 21
- Question of
Look closely at the symbols. | + 41 | + | – 9 | =?
- 32
- 52
- Question of
Perform the following operation. 12/12 – 7/12 =?
- 1/3
- 1/6
- Question of
Twice a number minus fifteen equals seven, what is the number?
- -4
- 6
- 11
- Question of
Which of these numbers is bigger?
- 2/7
- π / 4
- √3
- Question of
Eliminate the signs and solve. – 1 + [5 – (1 + 3 + 4) – 5] + 6 =?
- -3
- 4
- 12
- Question of
The mathematical constant e or Euler’s number is approximately equal to:
- 1,60669
- 2,71828
- Question of
Solve the following operation. 1/3 x 2/5 =?
- 6/5
- 2/15
- Question of
Rational numbers are denoted by:
- N
- Q
- R
- Question of
In a container there is 3/4 gallon of paint, if 1/2 gallon is used for painting, how much paint is left?
- 1/5
- 1/4
- 1/8
- Question of
Eliminate the signs and solve. 23 – [(- 7) + 5 – (-13)] + 51 =?
- 55
- 63
- 74
- Question of
In geometry, the perimeter is the measure of the contour of a figure.
- True
- False
- Question of
If three equal pieces of 17/3 m are cut from a 25 m tube, how many meters of the tube are left?
- 8 meters
- 11 meters
- Question of
Ana is three years younger than Felix. If twice as old as Felix is today in seven years will be Ana’s age, how old are they today?
- Felix is 4 years old and Ana 1 year old.
- Felix is 7 years old and Ana 4 years old.
- Question of
An icosahedron is a 1000-sided polyhedron.
- True
- False
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