Change pack
Lintel
Jan 17 - 23
25 questions
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1.
Number
Write 99,000 in standard form
Answer: 9.9 × 104
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2.
Algebra
Factorise: x² + 13x + 22
Answer: (x + 11)(x + 2)
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3.
Geometry
Hypotenuse = 32cm, angle = 49°. Find adjacent side. Give your answer to 2 decimal places
Answer: 20.99cm
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4.
Ratio
Simplify: 15:12:15
Answer: 5:4:5
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5.
Statistics
Calculate the mean of: 18, 39, 47, 14, 23, 6, 29, 10
Answer: 23.25
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1.
Number
Write 5,300,000 in standard form
Answer: 5.3 × 106
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2.
Algebra
Factorise: x² - x - 2
Answer: (x + 1)(x - 2)
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3.
Geometry
Hypotenuse = 26cm, angle = 34°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.55cm
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4.
Ratio
Divide 140 in the ratio 4:2:1
Answer: 80, 40 and 20
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5.
Statistics
Calculate the mean of: 32, 31, 39, 32, 23, 45. Give your answer to 2 decimal places
Answer: 33.67
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1.
Number
Write 0.000064 in standard form
Answer: 6.4 × 10-5
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2.
Algebra
Factorise: x² + 2x - 24
Answer: (x + 6)(x - 4)
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3.
Geometry
Adjacent = 29cm, angle = 45°. Find opposite
Answer: 29cm
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4.
Ratio
Simplify: 24:12:12
Answer: 2:1:1
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5.
Statistics
The mean of 5 numbers is 34. If 4 of them are 19, 30, 22, 31, what is the missing number?
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1.
Number
Write 72,000,000 in standard form
Answer: 7.2 × 107
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2.
Algebra
Factorise: x² - 2x - 24
Answer: (x + 4)(x - 6)
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3.
Geometry
Hypotenuse = 17cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.28cm
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4.
Ratio
Simplify: 9:15:18
Answer: 3:5:6
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5.
Statistics
Calculate the mean of: 27, 35, 19, 17, 47, 32, 16, 48. Give your answer to 2 decimal places
Answer: 30.13
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1.
Number
Write 0.0098 in standard form
Answer: 9.8 × 10-3
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2.
Algebra
Factorise: x² + 7x + 12
Answer: (x + 4)(x + 3)
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3.
Geometry
Adjacent = 28cm, angle = 36°. Find opposite. Give your answer to 2 decimal places
Answer: 20.34cm
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4.
Ratio
Divide 70 in the ratio 2:1:2
Answer: 28, 14 and 28
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5.
Statistics
The mean of 5 numbers is 35. If 4 of them are 49, 35, 29, 26, what is the missing number?