Change pack
Lintel
Dec 21 - 27
25 questions
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1.
Number
0.035
Answer: 3.5 × 10^-2
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2.
Algebra
Factorise: x² + 4x - 21
Answer: (x + 7)(x - 3)
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3.
Geometry
Adjacent = 20cm, angle = 34°. Find opposite
Answer: 13.5cm
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4.
Ratio
Simplify: 6:18:6
Answer: 1:3:1
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5.
Statistics
The mean of 6 numbers is 38. If 5 of them are 41, 24, 35, 31, 42, what is the missing number?
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1.
Number
39000
Answer: 3.9 × 104
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2.
Algebra
Factorise: x² + 2x - 15
Answer: (x + 5)(x - 3)
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3.
Geometry
Hypotenuse = 34cm, angle = 51°. Find adjacent side
Answer: 21.4cm
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4.
Ratio
Divide 64 in the ratio 1:2:1
Answer: 16, 32 and 16
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5.
Statistics
The mean of 5 numbers is 20. If 4 of them are 18, 49, 17, 49, what is the missing number?
Answer: -33
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1.
Number
0.0084
Answer: 8.4 × 10^-3
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2.
Algebra
Factorise: x² - 12x + 35
Answer: (x - 7)(x - 5)
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3.
Geometry
Adjacent = 10cm, angle = 50°. Find opposite
Answer: 11.9cm
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4.
Ratio
Simplify: 18:18:12
Answer: 3:3:2
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5.
Statistics
Calculate the mean of: 14, 44, 45, 41, 31, 41
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1.
Number
0.00037
Answer: 3.7 × 10^-4
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2.
Algebra
Factorise: x² + 6x - 7
Answer: (x + 7)(x - 1)
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3.
Geometry
Adjacent = 21cm, angle = 54°. Find opposite
Answer: 28.9cm
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4.
Ratio
£282.00 is shared between A and B in the ratio 2:1. How much does A receive?
Answer: £188.00
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5.
Statistics
The mean of 4 numbers is 35. If 3 of them are 15, 47, 44, what is the missing number?
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1.
Number
8400000
Answer: 8.4 × 106
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2.
Algebra
Factorise: x² + 7x - 8
Answer: (x + 8)(x - 1)
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3.
Geometry
Hypotenuse = 17cm, angle = 65°. Find adjacent side
Answer: 7.2cm
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4.
Ratio
Simplify: 24:24:16
Answer: 3:3:2
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5.
Statistics
Calculate the mean of: 8, 42, 22, 12, 45, 45