Change pack
Lintel
Sep 23 - 29
25 questions
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1.
Number
Write 0.000065 in standard form
Answer: 6.5 × 10-5
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2.
Algebra
Factorise: x² - x - 110
Answer: (x + 10)(x - 11)
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3.
Geometry
Hypotenuse = 37cm, angle = 46°. Find adjacent side. Give your answer to 2 decimal places
Answer: 25.7cm
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4.
Ratio
Simplify the ratio 4 hours : 10 minutes
Answer: 24:1
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5.
Statistics
Calculate the mean of: 20, 38, 17, 33, 30, 35, 14. Give your answer to 2 decimal places
Answer: 26.71
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1.
Number
Write 0.039 in standard form
Answer: 3.9 × 10-2
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2.
Algebra
Factorise: x² - 6x - 27
Answer: (x + 3)(x - 9)
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3.
Geometry
Hypotenuse = 27cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 24.27cm
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4.
Ratio
Divide 208 in the ratio 3:1:4
Answer: 78, 26 and 104
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5.
Statistics
The mean of 4 numbers is 36. If 3 of them are 28, 32, 18, what is the missing number?
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1.
Number
Write 490,000 in standard form
Answer: 4.9 × 105
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2.
Algebra
Factorise: x² + 8x - 20
Answer: (x + 10)(x - 2)
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3.
Geometry
Adjacent = 26cm, angle = 60°. Find opposite. Give your answer to 2 decimal places
Answer: 45.03cm
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4.
Ratio
Red and blue beads are in the ratio 10:2. What fraction of the beads are blue?
Answer: 1⁄6
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5.
Statistics
Calculate the mean of: 50, 35, 17, 45, 46, 7, 42, 7. Give your answer to 2 decimal places
Answer: 31.13
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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 - 4x - 5
Answer: (x + 1)(x - 5)
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3.
Geometry
Hypotenuse = 40cm, angle = 62°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.78cm
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4.
Ratio
Express the first part of 8:11 as a fraction in simplest form
Answer: 8⁄19
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5.
Statistics
Calculate the mean of: 20, 36, 18, 34, 35, 31, 37. Give your answer to 2 decimal places
Answer: 30.14
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1.
Number
Write 970,000 in standard form
Answer: 9.7 × 105
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2.
Algebra
Factorise: x² - 16x + 63
Answer: (x - 7)(x - 9)
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3.
Geometry
Adjacent = 19cm, angle = 42°. Find opposite. Give your answer to 2 decimal places
Answer: 17.11cm
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4.
Ratio
Express the second part of 4:5 as a fraction in simplest form
Answer: 5⁄9
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5.
Statistics
The mean of 5 numbers is 35. If 4 of them are 42, 42, 28, 32, what is the missing number?