Change pack
Lintel
Feb 27 - Mar 5
25 questions
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1.
Number
Write 0.086 in standard form
Answer: 8.6 × 10-2
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2.
Algebra
Factorise: x² + 7x - 60
Answer: (x + 12)(x - 5)
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3.
Geometry
Adjacent = 22cm, angle = 55°. Find opposite. Give your answer to 2 decimal places
Answer: 31.42cm
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4.
Ratio
Black and white marbles are in the ratio 12:10. What fraction of the marbles are black?
Answer: 6⁄11
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5.
Statistics
The mean of 4 numbers is 24. If 3 of them are 22, 19, 48, what is the missing number?
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1.
Number
Write 0.0092 in standard form
Answer: 9.2 × 10-3
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2.
Algebra
Factorise: x² - 19x + 90
Answer: (x - 9)(x - 10)
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3.
Geometry
Adjacent = 22cm, angle = 48°. Find opposite. Give your answer to 2 decimal places
Answer: 24.43cm
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4.
Ratio
Divide 200 in the ratio 4:3:1
Answer: 100, 75 and 25
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5.
Statistics
The mean of 4 numbers is 24. If 3 of them are 27, 22, 21, what is the missing number?
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1.
Number
Write 0.075 in standard form
Answer: 7.5 × 10-2
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2.
Algebra
Factorise: x² - 4x - 5
Answer: (x + 1)(x - 5)
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3.
Geometry
Hypotenuse = 31cm, angle = 60°. Find adjacent side
Answer: 15.5cm
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4.
Ratio
Express the first part of 13:9 as a fraction in simplest form
Answer: 13⁄22
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5.
Statistics
Calculate the mean of: 38, 25, 36, 37, 42, 14, 16. Give your answer to 2 decimal places
Answer: 29.71
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1.
Number
Write 45,000,000 in standard form
Answer: 4.5 × 107
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2.
Algebra
Factorise: x² + 3x + 2
Answer: (x + 2)(x + 1)
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3.
Geometry
Adjacent = 12cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 7.5cm
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4.
Ratio
Divide 91 in the ratio 2:3:2
Answer: 26, 39 and 26
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5.
Statistics
Calculate the mean of: 9, 18, 33, 17, 25, 32. Give your answer to 2 decimal places
Answer: 22.33
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1.
Number
Write 0.0099 in standard form
Answer: 9.9 × 10-3
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2.
Algebra
Factorise: x² + 4x - 45
Answer: (x + 9)(x - 5)
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3.
Geometry
Hypotenuse = 30cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places
Answer: 20.07cm
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4.
Ratio
Black and white counters are in the ratio 15:5. What fraction of the counters are black?
Answer: 3⁄4
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5.
Statistics
The mean of 4 numbers is 37. If 3 of them are 38, 17, 48, what is the missing number?