Question 101
Find the area of a circle with diameter 14 cm.GeometryGeometry - Circleseasy
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NSC Mathematics – South Africa
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Question 102
A box contains 3 red balls and 2 blue balls. One ball is drawn at random. What is the probability that the ball is not blue?ProbabilityProbability - Basic probabilityeasy
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Question 103
The mean of 5 numbers is 12. If one number is removed, the mean becomes 10. What is the number removed?StatisticsStatistics - Measures of central tendencymedium
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Question 104
Evaluate the integral ∫(2x^3 - x^2 + 4) dx.CalculusIntegration - Basic integrationmedium
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Question 105
In triangle ABC, sides AB = 7 cm, AC = 9 cm, and BC = 12 cm. Calculate the measure of angle B using the cosine rule.GeometryGeometry - Cosine rulehard
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Question 106
A bag contains 5 green, 3 yellow and 2 red marbles. Two marbles are drawn without replacement. What is the probability both are green?ProbabilityProbability - Conditional probabilityhard
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Question 107
Calculate the derivative of f(x) = 5x^3 at x = 2.CalculusCalculus - Differentiationmedium
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Question 108
What is the value of sin 45°?TrigonometryTrigonometry - Exact values of trigonometric ratioseasy
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Question 109
Find the area of a triangle with base 10 cm and height 6 cm.GeometryGeometry - Area of triangleseasy
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Question 110
If two events A and B are independent and P(A) = 0.3, P(B) = 0.4, what is P(A and B)?ProbabilityProbability - Independent eventsmedium
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