Change pack
Lintel
Feb 15 - 21
25 questions
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1.
Number
80000000
Answer: 8 × 107
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Adjacent = 17cm, angle = 37°. Find opposite
Answer: 12.8cm
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4.
Ratio
Simplify: 6:15:15
Answer: 2:5:5
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5.
Statistics
The mean of 5 numbers is 35. If 4 of them are 42, 22, 46, 44, what is the missing number?
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1.
Number
0.0059
Answer: 5.9 × 10^-3
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2.
Algebra
Factorise: x² - 9x + 18
Answer: (x - 6)(x - 3)
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3.
Geometry
Hypotenuse = 20cm, angle = 60°. Find adjacent side
Answer: 10cm
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4.
Ratio
Divide 84 in the ratio 4:1:2
Answer: 48, 12 and 24
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5.
Statistics
The mean of 4 numbers is 25. If 3 of them are 29, 43, 20, what is the missing number?
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1.
Number
6700000
Answer: 6.7 × 106
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Adjacent = 18cm, angle = 30°. Find opposite
Answer: 10.4cm
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4.
Ratio
Divide 80 in the ratio 2:1:1
Answer: 40, 20 and 20
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5.
Statistics
Calculate the mean of: 45, 9, 43, 42, 46, 5, 44, 34
Answer: 33.5
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1.
Number
3800000
Answer: 3.8 × 106
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2.
Algebra
Factorise: x² - 11x + 28
Answer: (x - 7)(x - 4)
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3.
Geometry
Adjacent = 28cm, angle = 39°. Find opposite
Answer: 22.7cm
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4.
Ratio
Simplify: 16:12:16
Answer: 4:3:4
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5.
Statistics
Calculate the mean of: 16, 28, 46, 19, 13, 42, 32
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1.
Number
0.0041
Answer: 4.1 × 10^-3
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2.
Algebra
Factorise: x² - 10x + 25
Answer: (x - 5)(x - 5)
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3.
Geometry
Hypotenuse = 23cm, angle = 31°. Find adjacent side
Answer: 19.7cm
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4.
Ratio
Express the first part of 2:3 as a fraction in simplest form
Answer: 2⁄5
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5.
Statistics
The mean of 5 numbers is 29. If 4 of them are 42, 32, 48, 21, what is the missing number?