Change pack
Lintel
Feb 18 - 24
25 questions
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1.
Number
Write 97,000 in standard form
Answer: 9.7 × 104
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2.
Algebra
Factorise: x² - 4x + 3
Answer: (x - 1)(x - 3)
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3.
Geometry
Hypotenuse = 26cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.92cm
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4.
Ratio
Black and white beads are in the ratio 15:7. What fraction of the beads are black?
Answer: 15⁄22
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5.
Statistics
The mean of 6 numbers is 26. If 5 of them are 29, 33, 21, 26, 20, what is the missing number?
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1.
Number
Write 0.016 in standard form
Answer: 1.6 × 10-2
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Adjacent = 15cm, angle = 52°. Find opposite. Give your answer to 2 decimal places
Answer: 19.2cm
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4.
Ratio
Simplify: 24:12:12
Answer: 2:1:1
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5.
Statistics
Calculate the mean of: 13, 13, 24, 18, 44, 32, 30. Give your answer to 2 decimal places
Answer: 24.86
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1.
Number
Write 5,800,000 in standard form
Answer: 5.8 × 106
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2.
Algebra
Factorise: x² + 2x - 15
Answer: (x + 5)(x - 3)
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3.
Geometry
Hypotenuse = 31cm, angle = 54°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.22cm
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4.
Ratio
Simplify: 15:18:18
Answer: 5:6:6
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5.
Statistics
The mean of 4 numbers is 29. If 3 of them are 17, 46, 20, what is the missing number?
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1.
Number
Write 0.0038 in standard form
Answer: 3.8 × 10-3
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2.
Algebra
Factorise: x² - 20x + 96
Answer: (x - 8)(x - 12)
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3.
Geometry
Adjacent = 17cm, angle = 59°. Find opposite. Give your answer to 2 decimal places
Answer: 28.29cm
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4.
Ratio
Divide 140 in the ratio 3:3:4
Answer: 42, 42 and 56
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5.
Statistics
Calculate the mean of: 31, 12, 19, 34, 28, 16, 9. Give your answer to 2 decimal places
Answer: 21.29
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1.
Number
Write 120,000 in standard form
Answer: 1.2 × 105
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2.
Algebra
Factorise: x² - 17x + 60
Answer: (x - 5)(x - 12)
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3.
Geometry
Hypotenuse = 31cm, angle = 32°. Find adjacent side. Give your answer to 2 decimal places
Answer: 26.29cm
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4.
Ratio
Simplify: 4:4:12
Answer: 1:1:3
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5.
Statistics
Calculate the mean of: 44, 7, 17, 34, 45, 47, 40, 22