Change pack
Lintel
Jan 2 - 8
25 questions
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1.
Number
0.022
Answer: 2.2 × 10^-2
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Adjacent = 29cm, angle = 34°. Find opposite
Answer: 19.6cm
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4.
Ratio
Express the first part of 6:3 as a fraction in simplest form
Answer: 2⁄3
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5.
Statistics
The mean of 5 numbers is 21. If 4 of them are 17, 49, 17, 40, what is the missing number?
Answer: -18
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1.
Number
2400000
Answer: 2.4 × 106
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2.
Algebra
Factorise: x² + 2x - 24
Answer: (x + 6)(x - 4)
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3.
Geometry
Hypotenuse = 33cm, angle = 27°. Find adjacent side
Answer: 29.4cm
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4.
Ratio
Express the first part of 2:5 as a fraction in simplest form
Answer: 2⁄7
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5.
Statistics
Calculate the mean of: 23, 18, 33, 43, 23, 8
Answer: 24.7
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1.
Number
22000000
Answer: 2.2 × 107
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2.
Algebra
Factorise: x² - 10x + 21
Answer: (x - 3)(x - 7)
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3.
Geometry
Hypotenuse = 35cm, angle = 49°. Find adjacent side
Answer: 23cm
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4.
Ratio
Simplify: 6:6:12
Answer: 1:1:2
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5.
Statistics
The mean of 5 numbers is 35. If 4 of them are 45, 21, 40, 34, what is the missing number?
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1.
Number
0.025
Answer: 2.5 × 10^-2
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2.
Algebra
Factorise: x² + 2x - 3
Answer: (x + 3)(x - 1)
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3.
Geometry
Adjacent = 20cm, angle = 45°. Find opposite
Answer: 20cm
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4.
Ratio
Simplify the ratio 7m:700cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 20, 20, 20, 37, 16, 31, 6, 40
Answer: 23.8
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1.
Number
9600000
Answer: 9.6 × 106
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2.
Algebra
Factorise: x² + 2x - 48
Answer: (x + 8)(x - 6)
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3.
Geometry
Hypotenuse = 29cm, angle = 62°. Find adjacent side
Answer: 13.6cm
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4.
Ratio
Simplify the ratio 3m:300cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 30, 6, 10, 16, 40, 24, 24
Answer: 21.4