Mathematics Written Test Simulation

The result of the calculation 25 - 2 * 5 is equal to:

• 10

• 15

• 35

• 115

The number that represents 10% of 50 is equal to:

• 40

• 10

• 5

• 1

In one day, in the morning, the air temperature was -1°C, and at noon it was +2°C. On that day, the temperature measured at noon was higher than the temperature measured in the morning by:

• 3°C

• -1°C

• 1°C

• 3°C

The solution of the equation 11 + 42x = 0 is:

• 1/6

• 1/4

• 1/2

• 3/4

Four students, Andreea, Iris, Mihai, and Radu, calculate the arithmetic mean of the numbers a = -42 and b = +42. The results of the calculations made by the four students are highlighted in the table below: Who calculated the correct arithmetic mean of the numbers a and b?

• Andreea

• Iris

• Mihai

• Radu

Among the four students, the one who calculated the correct arithmetic mean of the numbers a and b is:

• Andreea

• Iris

• Mihai

• Radu

In the diagram below, information is presented about the number of students who made choices for practicing sports such as football, basketball, tennis, and chess in a school sports club. The statement 'According to the information in the diagram, in this school sports club, the number of students who made choices for practicing football is equal to the number of students who made choices for practicing chess.' is:

• true

• false

In the adjacent figure, the distinct and collinear points A, B, C, and D are represented in this order. The segments AB, BC, and CD are congruent, and the length of segment AD is equal to 24 cm. The length of segment CD is equal to:

• 4 cm

• 6 cm

• 8 cm

• 12 cm

In the adjacent figure, the adjacent supplementary angles AOB and BOC are represented. Knowing that angle BOC is 60 degrees and that ray OD is opposite ray OB, the measure of angle DOC is equal to:

• 160 degrees

• 120 degrees

• 60 degrees

• 30 degrees

In the adjacent figure, the equilateral triangle ABC is represented. Ray BE is the bisector of angle ABC and point D is the midpoint of segment BC. The lines AD and BE intersect at point P. The measure of angle DPE is equal to:

• 30 degrees

• 60 degrees

• 120 degrees

• 150 degrees