Mathematics Quiz

A map is drawn to the scale of 1:50,000. If the actual distance between two towns is 20 km, what is the distance on the map in cm?

• 20 cm

• 40 cm

• 50 cm

• 60 cm

If 3x : 5y = 6:10, what is the value of x:y?

• 3:5

• 5:3

• 2:1

• 1:2

In a cyclic quadrilateral, one angle is 85°. What is the opposite angle?

• 85°

• 95°

• 180°

• 75°

In a regular octagon, what is the sum of the interior angles?

• 1080°

• 1440°

• 1260°

• 1620°

Solve for x in the equation x² - 7x + 10 = 0.

• x = 2, x = 5

• x = -2, x = -5

• x = 3, x = 4

• x = -3, x = -4

A bag contains 6 red balls, 4 blue balls, and 5 green balls. What is the probability of picking a red ball?

• 1/5

• 2/5

• 3/5

• 4/5

The exterior angle of a regular polygon is 30°. How many sides does the polygon have?

• 10

• 12

• 8

• 6

Solve for x: 5(2x - 3) = 25.

• x = 2

• x = 3

• x = 4

• x = 5

A shopkeeper gives a 10% discount on a $50 item. How much does the customer pay?

• $40

• $45

• $42.50

• $47.50

Solve the inequality: 3x - 5 > 7.

• x > 4

• x > 3

• x > 5

• x > 6