Question 31
The mean of the numbers 4, 8, 12, 16, and 20 is:Statistics and probabilityStatistics and probabilityeasy
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Question 32
If y varies directly as x and y = 12 when x = 3, what is y when x = 7?Variation and proportionVariation and proportionmedium
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Question 33
If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∩ B?Set theory and logicSet theory and logiceasy
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Question 34
Express √50 in simplest surd form.Indices, surds, and logarithmsSurdsmedium
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Question 35
Find the sum of the first 10 terms of the arithmetic sequence 3, 7, 11, ...Sequences and seriesArithmetic serieshard
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Question 36
Solve for x: 2^x = 16Indices, surds, and logarithmsIndiceseasy
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Question 37
In triangle ABC, angle A is 90°. If side AB = 6 cm and side AC = 8 cm, find the length of BC.Trigonometry and trigonometric equationsTrigonometrymedium
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Question 38
Find the surface area of a cylinder with radius 3 cm and height 7 cm. (Use π = 22/7)Mensuration (area, volume, surface area)Mensurationmedium
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Question 39
What is the value of 7 × 8 - 6 ÷ 2?Numbers and numerationNumbers and numerationeasy
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Question 40
Simplify the expression: 3x + 5x - 2x.Algebraic expressions and equationsAlgebraic expressions and equationseasy
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