1,266 questions
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- What is the sum of the interior angles of a hexagon?
- Each exterior angle of a regular polygon is 40°. How many sides does it have?
- Two parallel lines are cut by a transversal. Alternate angles are…
- Find the volume of a cylinder of radius 3 cm and height 10 cm. (Take π = 3.14.)
- A cuboid measures 5 cm by 4 cm by 3 cm. Find its total surface area.
- A car travels 240 km in 3 hours. What is its average speed?
- 4 workers build a wall in 6 days. How long would 3 workers take at the same rate?
- A fair die is rolled. What is the probability of a number greater than 4?
- The probability that it rains tomorrow is 0.3. What is the probability that it does not rain?
- In a pie chart, a sector represents 25% of the data. What is its angle?
- P5 000 is invested at 8% simple interest per year. What is the total amount after 2 years?
- A trader buys a radio for P400 and sells it for P500. What is the percentage profit?
- In a class of 30, 18 play football, 15 play netball and 5 play both. How many play neither?
- Thato is x years old. His sister is 4 years older, and the sum of their ages is 30.
- A water tank is a cylinder with radius 1.4 m and height 2 m. Take π = 22/7.
- The marks of 10 learners in a test were: 12, 15, 9, 15, 18, 11, 15, 20, 13, 12.
- From a point 20 m from the foot of a tree, the angle of elevation of the top of the tree is 35°.
- Solve x² − 5x + 6 = 0.
- Factorise x² + x − 12.
- If f(x) = 3x − 1, find f(4).
- If f(x) = 2x + 5, what is the inverse function f⁻¹(x)?
- Simplify (x³)⁴.
- Evaluate 16^(1/2).
- Evaluate 2⁻³.
- y varies directly as x, and y = 12 when x = 3. Find y when x = 5.
- y varies inversely as x, and y = 6 when x = 4. Find y when x = 8.
- Find the determinant of the matrix (3 2 / 1 4).
- a = (2, 3) and b = (−1, 4) as column vectors. What is a + b?
- The angle in a semicircle is…