Change pack
Lintel
Jan 6 - 12
25 questions
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1.
Number
0.069
Answer: 6.9 × 10-2
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2.
Algebra
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1)
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3.
Geometry
Adjacent = 14cm, angle = 37°. Find opposite
Answer: 10.5cm
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4.
Ratio
Express the first part of 6:4 as a fraction in simplest form
Answer: 3⁄5
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 34, 27, 28, what is the missing number?
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1.
Number
18000000
Answer: 1.8 × 107
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2.
Algebra
Factorise: x² - 9x + 20
Answer: (x - 5)(x - 4)
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3.
Geometry
Hypotenuse = 29cm, angle = 65°. Find adjacent side
Answer: 12.3cm
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4.
Ratio
Simplify: 24:16:16
Answer: 3:2:2
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5.
Statistics
Calculate the mean of: 30, 22, 25, 8, 12, 32, 44, 29
Answer: 25.3
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1.
Number
36000000
Answer: 3.6 × 107
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2.
Algebra
Factorise: x² + 4x - 5
Answer: (x + 5)(x - 1)
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3.
Geometry
Hypotenuse = 31cm, angle = 30°. Find adjacent side
Answer: 26.8cm
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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: 48, 38, 5, 21, 14, 41, 40, 23
Answer: 28.8
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1.
Number
0.0015
Answer: 1.5 × 10-3
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2.
Algebra
Factorise: x² + 5x - 14
Answer: (x + 7)(x - 2)
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3.
Geometry
Adjacent = 17cm, angle = 40°. Find opposite
Answer: 14.3cm
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4.
Ratio
Simplify: 15:15:12
Answer: 5:5:4
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 41, 33, 16, 43, 36, what is the missing number?
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1.
Number
0.00038
Answer: 3.8 × 10-4
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2.
Algebra
Factorise: x² + x - 12
Answer: (x + 4)(x - 3)
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3.
Geometry
Hypotenuse = 29cm, angle = 39°. Find adjacent side
Answer: 22.5cm
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4.
Ratio
Divide 72 in the ratio 2:1:1
Answer: 36, 18 and 18
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5.
Statistics
The mean of 5 numbers is 20. If 4 of them are 44, 42, 20, 47, what is the missing number?
Answer: -53