Change pack
Lintel
Aug 30 - Sep 5
25 questions
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1.
Number
Write 2,100,000 in standard form
Answer: 2.1 × 106
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2.
Algebra
Factorise: x² - 16x + 64
Answer: (x - 8)(x - 8)
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3.
Geometry
Hypotenuse = 19cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places
Answer: 10.35cm
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4.
Ratio
Simplify: 12:20:16
Answer: 3:5:4
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5.
Statistics
The mean of 4 numbers is 27. If 3 of them are 21, 33, 44, what is the missing number?
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1.
Number
Write 0.000037 in standard form
Answer: 3.7 × 10-5
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2.
Algebra
Factorise: x² - 4x - 32
Answer: (x + 4)(x - 8)
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3.
Geometry
Adjacent = 23cm, angle = 51°. Find opposite. Give your answer to 2 decimal places
Answer: 28.4cm
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4.
Ratio
Simplify: 20:24:12
Answer: 5:6:3
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5.
Statistics
Calculate the mean of: 5, 39, 11, 42, 38, 42
Answer: 29.5
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1.
Number
Write 0.00026 in standard form
Answer: 2.6 × 10-4
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2.
Algebra
Factorise: x² + x - 90
Answer: (x + 10)(x - 9)
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3.
Geometry
Adjacent = 19cm, angle = 40°. Find opposite. Give your answer to 2 decimal places
Answer: 15.94cm
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4.
Ratio
Divide 110 in the ratio 3:1:1
Answer: 66, 22 and 22
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5.
Statistics
The mean of 4 numbers is 34. If 3 of them are 49, 27, 31, what is the missing number?
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1.
Number
Write 13,000 in standard form
Answer: 1.3 × 104
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2.
Algebra
Factorise: x² - 2x - 3
Answer: (x + 1)(x - 3)
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3.
Geometry
Hypotenuse = 23cm, angle = 51°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.47cm
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4.
Ratio
Orange and purple beads are in the ratio 9:7. What fraction of the beads are purple?
Answer: 7⁄16
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 50, 27, 25, what is the missing number?
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1.
Number
Write 0.099 in standard form
Answer: 9.9 × 10-2
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2.
Algebra
Factorise: x² + 13x + 40
Answer: (x + 8)(x + 5)
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3.
Geometry
Adjacent = 12cm, angle = 38°. Find opposite. Give your answer to 2 decimal places
Answer: 9.38cm
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4.
Ratio
Simplify: 6:6:12
Answer: 1:1:2
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5.
Statistics
Calculate the mean of: 39, 5, 17, 8, 28, 21, 17, 12. Give your answer to 2 decimal places
Answer: 18.38