Change pack
Lintel
Feb 4 - 10
25 questions
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1.
Number
0.098
Answer: 9.8 × 10-2
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2.
Algebra
Factorise: x² - 8x + 15
Answer: (x - 3)(x - 5)
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3.
Geometry
Adjacent = 29cm, angle = 41°. Find opposite
Answer: 25.2cm
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4.
Ratio
Divide 144 in the ratio 3:4:2
Answer: 48, 64 and 32
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5.
Statistics
Calculate the mean of: 12, 25, 41, 13, 36, 10
Answer: 22.8
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1.
Number
49000000
Answer: 4.9 × 107
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2.
Algebra
Factorise: x² + 4x - 5
Answer: (x + 5)(x - 1)
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3.
Geometry
Hypotenuse = 32cm, angle = 39°. Find adjacent side
Answer: 24.9cm
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4.
Ratio
Simplify: 8:10:12
Answer: 4:5:6
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5.
Statistics
The mean of 6 numbers is 23. If 5 of them are 19, 28, 32, 26, 47, what is the missing number?
Answer: -14
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1.
Number
0.00038
Answer: 3.8 × 10-4
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2.
Algebra
Factorise: x² + 3x - 4
Answer: (x + 4)(x - 1)
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3.
Geometry
Adjacent = 22cm, angle = 32°. Find opposite
Answer: 13.7cm
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4.
Ratio
Divide 90 in the ratio 3:1:2
Answer: 45, 15 and 30
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5.
Statistics
The mean of 4 numbers is 40. If 3 of them are 40, 15, 15, what is the missing number?
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1.
Number
20000
Answer: 2 × 104
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2.
Algebra
Factorise: x² - 5x + 6
Answer: (x - 3)(x - 2)
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3.
Geometry
Hypotenuse = 28cm, angle = 26°. Find adjacent side
Answer: 25.2cm
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4.
Ratio
Simplify: 6:4:8
Answer: 3:2:4
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5.
Statistics
Calculate the mean of: 7, 47, 33, 21, 30, 37
Answer: 29.2
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1.
Number
70000
Answer: 7 × 104
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2.
Algebra
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2)
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3.
Geometry
Hypotenuse = 24cm, angle = 47°. Find adjacent side
Answer: 16.4cm
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4.
Ratio
Simplify: 20:24:24
Answer: 5:6:6
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5.
Statistics
Calculate the mean of: 16, 5, 22, 15, 32, 18, 9, 41
Answer: 19.8