Change pack
Lintel
Dec 30 - Jan 5
25 questions
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1.
Number
Write 240,000,000 in standard form
Answer: 2.4 × 108
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2.
Algebra
Factorise: x² - x - 42
Answer: (x + 6)(x - 7)
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3.
Geometry
Adjacent = 30cm, angle = 45°. Find opposite
Answer: 30cm
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4.
Ratio
£252.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £168.00
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5.
Statistics
The mean of 5 numbers is 29. If 4 of them are 46, 20, 40, 23, what is the missing number?
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1.
Number
Write 0.00038 in standard form
Answer: 3.8 × 10-4
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2.
Algebra
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1)
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3.
Geometry
Hypotenuse = 25cm, angle = 62°. Find adjacent side. Give your answer to 2 decimal places
Answer: 11.74cm
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4.
Ratio
Simplify the ratio 4 litres : 150 ml
Answer: 80:3
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5.
Statistics
Calculate the mean of: 36, 13, 29, 44, 33, 47, 44. Give your answer to 2 decimal places
Answer: 35.14
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1.
Number
Write 63,000 in standard form
Answer: 6.3 × 104
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2.
Algebra
Factorise: x² - 6x - 16
Answer: (x + 2)(x - 8)
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3.
Geometry
Hypotenuse = 26cm, angle = 39°. Find adjacent side. Give your answer to 2 decimal places
Answer: 20.21cm
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4.
Ratio
Black, white and yellow marbles are in the ratio 9:4:8. What fraction of the marbles are white?
Answer: 4⁄21
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5.
Statistics
The mean of 6 numbers is 29. If 5 of them are 16, 50, 44, 28, 15, what is the missing number?
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1.
Number
Write 0.00037 in standard form
Answer: 3.7 × 10-4
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2.
Algebra
Factorise: x² - 2x - 80
Answer: (x + 8)(x - 10)
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3.
Geometry
Adjacent = 11cm, angle = 54°. Find opposite. Give your answer to 2 decimal places
Answer: 15.14cm
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4.
Ratio
Red, blue and green marbles are in the ratio 6:2:12. What fraction of the marbles are blue?
Answer: 1⁄10
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5.
Statistics
The mean of 6 numbers is 33. If 5 of them are 39, 23, 33, 47, 35, what is the missing number?
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1.
Number
Write 180,000,000 in standard form
Answer: 1.8 × 108
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2.
Algebra
Factorise: x² - x - 56
Answer: (x + 7)(x - 8)
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3.
Geometry
Hypotenuse = 20cm, angle = 43°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.63cm
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4.
Ratio
Simplify the ratio 1 hour : 45 minutes
Answer: 4:3
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5.
Statistics
Calculate the mean of: 23, 9, 40, 45, 34, 24, 36, 7
Answer: 27.25