Change pack
Lintel
Jan 17 - 23
25 questions
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1.
Number
0.0023
Answer: 2.3 × 10-3
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2.
Algebra
Factorise: x² + 3x - 18
Answer: (x + 6)(x - 3)
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3.
Geometry
Adjacent = 13cm, angle = 32°. Find opposite
Answer: 8.cm
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4.
Ratio
Express the first part of 3:6 as a fraction in simplest form
Answer: 1⁄3
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5.
Statistics
The mean of 6 numbers is 20. If 5 of them are 19, 34, 37, 41, 24, what is the missing number?
Answer: -35
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1.
Number
0.0039
Answer: 3.9 × 10-3
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2.
Algebra
Factorise: x² + 5x - 24
Answer: (x + 8)(x - 3)
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3.
Geometry
Adjacent = 19cm, angle = 48°. Find opposite
Answer: 21.cm
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4.
Ratio
Simplify: 9:18:12
Answer: 3:6:4
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5.
Statistics
The mean of 4 numbers is 34. If 3 of them are 43, 16, 22, what is the missing number?
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1.
Number
5400000
Answer: 5.4 × 106
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Hypotenuse = 33cm, angle = 40°. Find adjacent side
Answer: 25.3cm
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4.
Ratio
Express the first part of 2:3 as a fraction in simplest form
Answer: 2⁄5
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5.
Statistics
Calculate the mean of: 13, 21, 35, 39, 5, 21, 50
Answer: 26.3
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1.
Number
0.0005
Answer: 5 × 10-4
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2.
Algebra
Factorise: x² - 8x + 12
Answer: (x - 6)(x - 2)
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3.
Geometry
Adjacent = 21cm, angle = 37°. Find opposite
Answer: 15.8cm
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4.
Ratio
Simplify: 15:18:15
Answer: 5:6:5
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5.
Statistics
The mean of 5 numbers is 22. If 4 of them are 36, 19, 50, 41, what is the missing number?
Answer: -36
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1.
Number
6900000
Answer: 6.9 × 106
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2.
Algebra
Factorise: x² + x - 20
Answer: (x + 5)(x - 4)
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3.
Geometry
Hypotenuse = 32cm, angle = 32°. Find adjacent side
Answer: 27.cm
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4.
Ratio
Divide 126 in the ratio 2:2:3
Answer: 36, 36 and 54
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5.
Statistics
Calculate the mean of: 6, 8, 19, 33, 49, 41, 21
Answer: 25.3