Change pack
Lintel
May 23 - 29
25 questions
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1.
Number
Write 310,000 in standard form
Answer: 3.1 × 105
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2.
Algebra
Factorise: x² - 5x - 14
Answer: (x + 2)(x - 7)
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3.
Geometry
Hypotenuse = 32cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places
Answer: 27.43cm
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4.
Ratio
Simplify the ratio 4 hours : 40 minutes
Answer: 6:1
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5.
Statistics
The mean of 5 numbers is 38. If 4 of them are 40, 44, 22, 25, what is the missing number?
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1.
Number
Write 130,000,000 in standard form
Answer: 1.3 × 108
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2.
Algebra
Factorise: x² - 4x - 45
Answer: (x + 5)(x - 9)
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3.
Geometry
Hypotenuse = 30cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.21cm
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4.
Ratio
Divide 153 in the ratio 2:4:3
Answer: 34, 68 and 51
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5.
Statistics
Calculate the mean of: 17, 24, 27, 30, 32, 23, 49, 36
Answer: 29.75
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1.
Number
Write 0.00021 in standard form
Answer: 2.1 × 10-4
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2.
Algebra
Factorise: x² + 9x + 14
Answer: (x + 7)(x + 2)
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3.
Geometry
Adjacent = 19cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 11.87cm
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4.
Ratio
Divide 50 in the ratio 3:1:1
Answer: 30, 10 and 10
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5.
Statistics
The mean of 4 numbers is 25. If 3 of them are 16, 35, 25, what is the missing number?
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1.
Number
Write 200,000,000 in standard form
Answer: 2 × 108
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2.
Algebra
Factorise: x² - 6x - 7
Answer: (x + 1)(x - 7)
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3.
Geometry
Hypotenuse = 34cm, angle = 29°. Find adjacent side. Give your answer to 2 decimal places
Answer: 29.74cm
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4.
Ratio
Divide 91 in the ratio 4:2:1
Answer: 52, 26 and 13
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5.
Statistics
The mean of 4 numbers is 20. If 3 of them are 22, 24, 26, what is the missing number?
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1.
Number
Write 0.00035 in standard form
Answer: 3.5 × 10-4
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2.
Algebra
Factorise: x² + 4x - 5
Answer: (x + 5)(x - 1)
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3.
Geometry
Adjacent = 22cm, angle = 38°. Find opposite. Give your answer to 2 decimal places
Answer: 17.19cm
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4.
Ratio
Divide 80 in the ratio 1:3:1
Answer: 16, 48 and 16
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5.
Statistics
Calculate the mean of: 11, 36, 23, 31, 40, 31, 37, 33
Answer: 30.25