Change pack
Lintel
Dec 9 - 15
25 questions
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1.
Number
39000000
Answer: 3.9 × 107
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2.
Algebra
Factorise: x² + x - 20
Answer: (x + 5)(x - 4)
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3.
Geometry
Hypotenuse = 15cm, angle = 49°. Find adjacent side
Answer: 9.8cm
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4.
Ratio
Simplify: 12:12:20
Answer: 3:3:5
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5.
Statistics
The mean of 6 numbers is 23. If 5 of them are 20, 49, 35, 32, 32, what is the missing number?
Answer: -30
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1.
Number
12000000
Answer: 1.2 × 107
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Adjacent = 27cm, angle = 37°. Find opposite
Answer: 20.3cm
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4.
Ratio
Simplify: 6:4:12
Answer: 3:2:6
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 36, 43, 42, 18, 20, what is the missing number?
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1.
Number
0.089
Answer: 8.9 × 10-2
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2.
Algebra
Factorise: x² - 8x + 15
Answer: (x - 3)(x - 5)
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3.
Geometry
Hypotenuse = 33cm, angle = 41°. Find adjacent side
Answer: 24.9cm
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4.
Ratio
Simplify: 16:8:8
Answer: 2:1:1
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5.
Statistics
Calculate the mean of: 37, 18, 19, 37, 16, 36, 50
Answer: 30.4
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1.
Number
70000000
Answer: 7 × 107
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2.
Algebra
Factorise: x² - 8x + 12
Answer: (x - 2)(x - 6)
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3.
Geometry
Adjacent = 30cm, angle = 32°. Find opposite
Answer: 18.7cm
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4.
Ratio
Divide 132 in the ratio 4:1:1
Answer: 88, 22 and 22
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5.
Statistics
Calculate the mean of: 28, 7, 13, 8, 17, 27, 33
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1.
Number
0.0073
Answer: 7.3 × 10-3
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Hypotenuse = 16cm, angle = 52°. Find adjacent side
Answer: 9.9cm
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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
The mean of 6 numbers is 24. If 5 of them are 29, 37, 38, 20, 34, what is the missing number?
Answer: -14