Change pack
Lintel
Aug 6 - 12
25 questions
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1.
Number
78000000
Answer: 7.8 × 107
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2.
Algebra
Factorise: x² + 4x - 12
Answer: (x + 6)(x - 2)
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3.
Geometry
Hypotenuse = 21cm, angle = 40°. Find adjacent side
Answer: 16.cm
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4.
Ratio
Simplify: 8:6:10
Answer: 4:3:5
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5.
Statistics
Calculate the mean of: 15, 14, 5, 48, 8, 14, 20, 35
Answer: 19.9
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1.
Number
0.011
Answer: 1.1 × 10-2
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2.
Algebra
Factorise: x² - 9x + 20
Answer: (x - 4)(x - 5)
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3.
Geometry
Adjacent = 20cm, angle = 33°. Find opposite
Answer: 13cm
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4.
Ratio
Divide 154 in the ratio 3:3:1
Answer: 66, 66 and 22
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5.
Statistics
The mean of 6 numbers is 32. If 5 of them are 41, 22, 31, 42, 29, 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 + 21
Answer: (x - 7)(x - 3)
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3.
Geometry
Adjacent = 25cm, angle = 31°. Find opposite
Answer: 15cm
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4.
Ratio
Divide 162 in the ratio 2:1:3
Answer: 54, 27 and 81
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5.
Statistics
The mean of 6 numbers is 32. If 5 of them are 33, 43, 16, 24, 28, what is the missing number?
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1.
Number
3500000
Answer: 3.5 × 106
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2.
Algebra
Factorise: x² + 6x - 16
Answer: (x + 8)(x - 2)
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3.
Geometry
Hypotenuse = 28cm, angle = 31°. Find adjacent side
Answer: 24cm
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4.
Ratio
Simplify: 18:12:15
Answer: 6:4:5
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5.
Statistics
Calculate the mean of: 9, 45, 26, 32, 17, 11, 35
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1.
Number
670000
Answer: 6.7 × 105
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Adjacent = 12cm, angle = 59°. Find opposite
Answer: 20cm
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4.
Ratio
Divide 126 in the ratio 2:3:2
Answer: 36, 54 and 36
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5.
Statistics
Calculate the mean of: 26, 27, 30, 39, 34, 31, 38
Answer: 32.1