Change pack
Lintel
Apr 21 - 27
25 questions
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1.
Number
0.087
Answer: 8.7 × 10-2
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2.
Algebra
Factorise: x² - 10x + 25
Answer: (x - 5)(x - 5)
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3.
Geometry
Adjacent = 22cm, angle = 43°. Find opposite
Answer: 20.5cm
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4.
Ratio
Divide 105 in the ratio 1:4:2
Answer: 15, 60 and 30
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5.
Statistics
The mean of 5 numbers is 22. If 4 of them are 50, 16, 40, 30, what is the missing number?
Answer: -26
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1.
Number
4000000
Answer: 4 × 106
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2.
Algebra
Factorise: x² - 10x + 21
Answer: (x - 7)(x - 3)
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3.
Geometry
Hypotenuse = 38cm, angle = 56°. Find adjacent side
Answer: 21.2cm
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4.
Ratio
Express the first part of 3:6 as a fraction in simplest form
Answer: 1⁄3
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 45, 35, 34, what is the missing number?
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1.
Number
0.021
Answer: 2.1 × 10-2
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2.
Algebra
Factorise: x² + x - 6
Answer: (x + 3)(x - 2)
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3.
Geometry
Adjacent = 24cm, angle = 48°. Find opposite
Answer: 26.7cm
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4.
Ratio
Simplify: 6:8:12
Answer: 3:4:6
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5.
Statistics
Calculate the mean of: 34, 23, 33, 30, 6, 26, 47
Answer: 28.4
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1.
Number
0.057
Answer: 5.7 × 10-2
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Adjacent = 24cm, angle = 35°. Find opposite
Answer: 16.8cm
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4.
Ratio
Simplify the ratio 4m:400cm
Answer: 1:100
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5.
Statistics
The mean of 4 numbers is 20. If 3 of them are 20, 45, 28, what is the missing number?
Answer: -13
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1.
Number
62000
Answer: 6.2 × 104
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2.
Algebra
Factorise: x² - 10x + 24
Answer: (x - 4)(x - 6)
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3.
Geometry
Hypotenuse = 39cm, angle = 27°. Find adjacent side
Answer: 34.7cm
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4.
Ratio
In ratio 4:4:3, what fraction is the second part?
Answer: 4⁄11
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5.
Statistics
Calculate the mean of: 26, 6, 40, 49, 38, 38
Answer: 32.8