Change pack
Lintel
Dec 29 - Jan 4
25 questions
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1.
Number
0.084
Answer: 8.4 × 10-2
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2.
Algebra
Factorise: x² - 8x + 16
Answer: (x - 4)(x - 4)
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3.
Geometry
Hypotenuse = 21cm, angle = 58°. Find adjacent side
Answer: 11.cm
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4.
Ratio
Express the first part of 4:5 as a fraction in simplest form
Answer: 4⁄9
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5.
Statistics
The mean of 6 numbers is 28. If 5 of them are 23, 18, 43, 40, 30, what is the missing number?
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1.
Number
0.00094
Answer: 9.4 × 10-4
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2.
Algebra
Factorise: x² - 9x + 20
Answer: (x - 5)(x - 4)
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3.
Geometry
Adjacent = 27cm, angle = 39°. Find opposite
Answer: 21.9cm
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4.
Ratio
Simplify: 12:12:10
Answer: 6:6:5
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5.
Statistics
The mean of 6 numbers is 38. If 5 of them are 38, 22, 22, 49, 35, what is the missing number?
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1.
Number
420000
Answer: 4.2 × 105
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2.
Algebra
Factorise: x² + 5x - 24
Answer: (x + 8)(x - 3)
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3.
Geometry
Hypotenuse = 32cm, angle = 56°. Find adjacent side
Answer: 17.9cm
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4.
Ratio
Simplify: 16:20:12
Answer: 4:5:3
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5.
Statistics
Calculate the mean of: 6, 14, 45, 46, 14, 28
Answer: 25.5
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1.
Number
38000
Answer: 3.8 × 104
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2.
Algebra
Factorise: x² + x - 30
Answer: (x + 6)(x - 5)
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3.
Geometry
Adjacent = 15cm, angle = 35°. Find opposite
Answer: 10.5cm
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4.
Ratio
In ratio 2:3:1, what fraction is the second part?
Answer: 3⁄6
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5.
Statistics
Calculate the mean of: 35, 37, 47, 10, 8, 30, 50
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1.
Number
0.014
Answer: 1.4 × 10-2
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2.
Algebra
Factorise: x² - 7x + 12
Answer: (x - 3)(x - 4)
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3.
Geometry
Hypotenuse = 29cm, angle = 44°. Find adjacent side
Answer: 20.9cm
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4.
Ratio
Simplify the ratio 2m:200cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 38, 29, 50, 22, 40, 32
Answer: 35.2