Change pack
Lintel
Sep 28 - Oct 4
25 questions
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1.
Number
0.00015
Answer: 1.5 × 10-4
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2.
Algebra
Factorise: x² + 4x - 5
Answer: (x + 5)(x - 1)
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3.
Geometry
Hypotenuse = 21cm, angle = 39°. Find adjacent side
Answer: 16.3cm
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4.
Ratio
Express the first part of 4:2 as a fraction in simplest form
Answer: 2⁄3
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5.
Statistics
Calculate the mean of: 35, 10, 23, 11, 25, 33, 27
Answer: 23.4
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1.
Number
920000
Answer: 9.2 × 105
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Adjacent = 26cm, angle = 58°. Find opposite
Answer: 41.6cm
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4.
Ratio
Simplify: 4:10:6
Answer: 2:5:3
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5.
Statistics
The mean of 4 numbers is 39. If 3 of them are 29, 24, 34, what is the missing number?
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1.
Number
79000
Answer: 7.9 × 104
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2.
Algebra
Factorise: x² - 9x + 18
Answer: (x - 6)(x - 3)
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3.
Geometry
Hypotenuse = 27cm, angle = 29°. Find adjacent side
Answer: 23.6cm
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4.
Ratio
Simplify: 16:12:16
Answer: 4:3:4
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5.
Statistics
The mean of 5 numbers is 40. If 4 of them are 42, 24, 25, 24, what is the missing number?
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1.
Number
780000
Answer: 7.8 × 105
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2.
Algebra
Factorise: x² - 10x + 24
Answer: (x - 4)(x - 6)
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3.
Geometry
Hypotenuse = 27cm, angle = 40°. Find adjacent side
Answer: 20.7cm
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4.
Ratio
Simplify: 16:16:20
Answer: 4:4:5
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5.
Statistics
Calculate the mean of: 37, 39, 32, 26, 19, 36, 12, 41
Answer: 30.3
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1.
Number
0.0033
Answer: 3.3 × 10-3
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2.
Algebra
Factorise: x² - 12x + 36
Answer: (x - 6)(x - 6)
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3.
Geometry
Adjacent = 11cm, angle = 51°. Find opposite
Answer: 13.6cm
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4.
Ratio
Express the first part of 4:6 as a fraction in simplest form
Answer: 2⁄5
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5.
Statistics
Calculate the mean of: 25, 24, 30, 25, 34, 37, 15, 26