Change pack
Lintel
Jul 28 - Aug 3
25 questions
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1.
Number
540000
Answer: 5.4 × 105
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2.
Algebra
Factorise: x² + 3x - 40
Answer: (x + 8)(x - 5)
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3.
Geometry
Adjacent = 21cm, angle = 41°. Find opposite
Answer: 18.3cm
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4.
Ratio
Divide 120 in the ratio 2:1:2
Answer: 48, 24 and 48
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5.
Statistics
The mean of 6 numbers is 27. If 5 of them are 22, 37, 23, 36, 37, what is the missing number?
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1.
Number
0.00038
Answer: 3.8 × 10-4
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2.
Algebra
Factorise: x² - 6x + 9
Answer: (x - 3)(x - 3)
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3.
Geometry
Hypotenuse = 36cm, angle = 38°. Find adjacent side
Answer: 28.4cm
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4.
Ratio
Simplify: 16:20:16
Answer: 4:5:4
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5.
Statistics
Calculate the mean of: 18, 36, 44, 27, 8, 36, 17, 49
Answer: 29.4
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1.
Number
0.00098
Answer: 9.8 × 10-4
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2.
Algebra
Factorise: x² - 10x + 25
Answer: (x - 5)(x - 5)
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3.
Geometry
Adjacent = 26cm, angle = 35°. Find opposite
Answer: 18.2cm
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4.
Ratio
Express the first part of 2:5 as a fraction in simplest form
Answer: 2⁄7
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5.
Statistics
Calculate the mean of: 45, 30, 31, 39, 43, 38, 40, 34
Answer: 37.5
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1.
Number
75000
Answer: 7.5 × 104
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2.
Algebra
Factorise: x² + 4x - 21
Answer: (x + 7)(x - 3)
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3.
Geometry
Hypotenuse = 21cm, angle = 60°. Find adjacent side
Answer: 10.5cm
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4.
Ratio
Simplify: 6:15:6
Answer: 2:5:2
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5.
Statistics
The mean of 4 numbers is 30. If 3 of them are 44, 27, 36, what is the missing number?
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1.
Number
0.058
Answer: 5.8 × 10-2
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2.
Algebra
Factorise: x² - 5x + 6
Answer: (x - 2)(x - 3)
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3.
Geometry
Hypotenuse = 34cm, angle = 40°. Find adjacent side
Answer: 26cm
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4.
Ratio
Simplify the ratio 3m:300cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 28, 16, 29, 26, 34, 6
Answer: 23.2