Change pack
Lintel
Jul 20 - 26
25 questions
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1.
Number
770000
Answer: 7.7 × 105
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2.
Algebra
Factorise: x² - 4x + 4
Answer: (x - 2)(x - 2)
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3.
Geometry
Hypotenuse = 23cm, angle = 39°. Find adjacent side
Answer: 17.9cm
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4.
Ratio
Divide 240 in the ratio 4:1:3
Answer: 120, 30 and 90
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5.
Statistics
The mean of 4 numbers is 28. If 3 of them are 46, 23, 40, what is the missing number?
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1.
Number
0.00095
Answer: 9.5 × 10-4
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2.
Algebra
Factorise: x² + x - 30
Answer: (x + 6)(x - 5)
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3.
Geometry
Adjacent = 20cm, angle = 41°. Find opposite
Answer: 17.4cm
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4.
Ratio
Express the first part of 3:5 as a fraction in simplest form
Answer: 3⁄8
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5.
Statistics
Calculate the mean of: 34, 29, 48, 40, 31, 47
Answer: 38.2
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1.
Number
84000000
Answer: 8.4 × 107
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Hypotenuse = 38cm, angle = 62°. Find adjacent side
Answer: 17.8cm
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4.
Ratio
Simplify: 9:6:9
Answer: 3:2:3
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5.
Statistics
Calculate the mean of: 25, 7, 15, 13, 11, 16, 44, 31
Answer: 20.3
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1.
Number
0.0004
Answer: 4 × 10-4
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2.
Algebra
Factorise: x² - 13x + 42
Answer: (x - 6)(x - 7)
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3.
Geometry
Adjacent = 22cm, angle = 56°. Find opposite
Answer: 32.6cm
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4.
Ratio
Divide 91 in the ratio 2:4:1
Answer: 26, 52 and 13
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5.
Statistics
The mean of 4 numbers is 38. If 3 of them are 28, 38, 49, what is the missing number?
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1.
Number
0.083
Answer: 8.3 × 10-2
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2.
Algebra
Factorise: x² - 10x + 25
Answer: (x - 5)(x - 5)
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3.
Geometry
Adjacent = 14cm, angle = 47°. Find opposite
Answer: 15cm
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4.
Ratio
In ratio 2:3:4, what fraction is the second part?
Answer: 3⁄9
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5.
Statistics
Calculate the mean of: 44, 43, 37, 39, 24, 15, 46
Answer: 35.4