Change pack
Lintel
Jan 20 - 26
25 questions
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1.
Number
0.00058
Answer: 5.8 × 10-4
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2.
Algebra
Factorise: x² + 2x - 3
Answer: (x + 3)(x - 1)
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3.
Geometry
Adjacent = 21cm, angle = 36°. Find opposite
Answer: 15.3cm
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4.
Ratio
Divide 65 in the ratio 1:2:2
Answer: 13, 26 and 26
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5.
Statistics
The mean of 5 numbers is 25. If 4 of them are 41, 47, 19, 41, what is the missing number?
Answer: -23
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1.
Number
5300000
Answer: 5.3 × 106
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2.
Algebra
Factorise: x² - 9x + 20
Answer: (x - 4)(x - 5)
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3.
Geometry
Hypotenuse = 37cm, angle = 62°. Find adjacent side
Answer: 17.4cm
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4.
Ratio
Simplify: 8:12:24
Answer: 2:3:6
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5.
Statistics
Calculate the mean of: 11, 26, 22, 49, 38, 32
Answer: 29.7
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1.
Number
0.0099
Answer: 9.9 × 10-3
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2.
Algebra
Factorise: x² - 10x + 24
Answer: (x - 4)(x - 6)
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3.
Geometry
Adjacent = 12cm, angle = 56°. Find opposite
Answer: 17.8cm
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4.
Ratio
Divide 100 in the ratio 3:3:4
Answer: 30, 30 and 40
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5.
Statistics
Calculate the mean of: 29, 16, 19, 22, 36, 46
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1.
Number
8700000
Answer: 8.7 × 106
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2.
Algebra
Factorise: x² + x - 56
Answer: (x + 8)(x - 7)
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3.
Geometry
Hypotenuse = 38cm, angle = 42°. Find adjacent side
Answer: 28.2cm
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4.
Ratio
Simplify: 10:10:6
Answer: 5:5:3
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5.
Statistics
The mean of 6 numbers is 37. If 5 of them are 32, 49, 20, 32, 35, what is the missing number?
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1.
Number
53000
Answer: 5.3 × 104
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2.
Algebra
Factorise: x² - 8x + 15
Answer: (x - 3)(x - 5)
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3.
Geometry
Hypotenuse = 33cm, angle = 59°. Find adjacent side
Answer: 17cm
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4.
Ratio
Simplify the ratio 2m:200cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 23, 21, 8, 31, 40, 25
Answer: 24.7