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NECTA Basic Mathematics AI Practice

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Question 91

Solve the quadratic equation x² - 4x - 5 = 0 using the quadratic formula.
Quadratic equationsQuadratic equationshard

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Question 92

Find the volume of a cylinder with radius 3 cm and height 7 cm. (Use π = 3.14)
MensurationMensurationhard

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Question 93

Simplify: 2x + 3x - 4x + 7
AlgebraAlgebraeasy

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Question 94

Solve for x: 5x - 3 = 2x + 9
Linear equationsLinear Equationsmedium

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Question 95

Find the distance between points A(3, 4) and B(7, 1) in the coordinate plane.
Coordinate geometryCoordinate Geometryeasy

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Question 96

Calculate the surface area of a cube with side length 4 cm.
MensurationMensurationmedium

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Question 97

If sin θ = 3/5, find cos θ given that θ is in the first quadrant.
TrigonometryTrigonometrymedium

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Question 98

A die is rolled once. What is the probability of getting a number greater than 4?
ProbabilityStatistics and Probabilityeasy

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Question 99

The mean of five numbers is 12. If one number is 15, what is the mean of the remaining four numbers?
StatisticsStatistics and Probabilitymedium

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Question 100

Solve the quadratic equation 2x² - 7x + 3 = 0 using the quadratic formula.
Quadratic equationsQuadratic Equationshard

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