Change pack
Lintel
Apr 29 - May 5
25 questions
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1.
Number
Write 420,000,000 in standard form
Answer: 4.2 × 108
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2.
Algebra
Factorise: x² - 8x - 9
Answer: (x + 1)(x - 9)
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3.
Geometry
Adjacent = 25cm, angle = 45°. Find opposite
Answer: 25cm
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4.
Ratio
Black and white marbles are in the ratio 4:9. What fraction of the marbles are black?
Answer: 4⁄13
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5.
Statistics
Calculate the mean of: 47, 43, 11, 25, 27, 42, 43
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1.
Number
Write 550,000 in standard form
Answer: 5.5 × 105
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2.
Algebra
Factorise: x² + 7x - 18
Answer: (x + 9)(x - 2)
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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
Divide 252 in the ratio 4:2:3
Answer: 112, 56 and 84
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5.
Statistics
Calculate the mean of: 30, 14, 26, 5, 41, 50, 39. Give your answer to 2 decimal places
Answer: 29.29
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1.
Number
Write 0.079 in standard form
Answer: 7.9 × 10-2
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2.
Algebra
Factorise: x² + 2x - 35
Answer: (x + 7)(x - 5)
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3.
Geometry
Adjacent = 25cm, angle = 58°. Find opposite. Give your answer to 2 decimal places
Answer: 40.01cm
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4.
Ratio
Simplify: 16:16:24
Answer: 2:2:3
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5.
Statistics
Calculate the mean of: 30, 47, 14, 9, 14, 44, 8. Give your answer to 2 decimal places
Answer: 23.71
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1.
Number
Write 4,300,000 in standard form
Answer: 4.3 × 106
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2.
Algebra
Factorise: x² + x - 6
Answer: (x + 3)(x - 2)
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3.
Geometry
Hypotenuse = 23cm, angle = 34°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.07cm
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4.
Ratio
Simplify: 12:6:9
Answer: 4:2:3
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5.
Statistics
Calculate the mean of: 29, 29, 17, 48, 46, 29, 30, 32
Answer: 32.5
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1.
Number
Write 0.003 in standard form
Answer: 3 × 10-3
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2.
Algebra
Factorise: x² + 6x - 27
Answer: (x + 9)(x - 3)
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3.
Geometry
Adjacent = 17cm, angle = 33°. Find opposite. Give your answer to 2 decimal places
Answer: 11.04cm
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4.
Ratio
Simplify: 8:10:6
Answer: 4:5:3
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5.
Statistics
The mean of 5 numbers is 38. If 4 of them are 20, 49, 49, 40, what is the missing number?