Change pack
Lintel
Feb 22 - 28
25 questions
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1.
Number
2600000
Answer: 2.6 × 106
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Adjacent = 22cm, angle = 30°. Find opposite
Answer: 12.7cm
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4.
Ratio
Simplify: 16:20:12
Answer: 4:5:3
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5.
Statistics
The mean of 6 numbers is 21. If 5 of them are 24, 30, 35, 26, 27, what is the missing number?
Answer: -16
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1.
Number
0.066
Answer: 6.6 × 10^-2
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2.
Algebra
Factorise: x² - 8x + 12
Answer: (x - 6)(x - 2)
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3.
Geometry
Hypotenuse = 24cm, angle = 43°. Find adjacent side
Answer: 17.6cm
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4.
Ratio
Simplify: 24:20:8
Answer: 6:5:2
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5.
Statistics
Calculate the mean of: 43, 8, 33, 13, 33, 12, 10, 46
Answer: 24.8
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1.
Number
0.00063
Answer: 6.3 × 10^-4
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2.
Algebra
Factorise: x² - 7x + 10
Answer: (x - 2)(x - 5)
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3.
Geometry
Hypotenuse = 15cm, angle = 35°. Find adjacent side
Answer: 12.3cm
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4.
Ratio
Simplify the ratio 2m:200cm
Answer: 1:100
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5.
Statistics
The mean of 6 numbers is 30. If 5 of them are 21, 47, 37, 16, 31, what is the missing number?
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1.
Number
10000000
Answer: 1 × 107
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Adjacent = 15cm, angle = 52°. Find opposite
Answer: 19.2cm
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4.
Ratio
Simplify the ratio 4m:400cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 10, 11, 41, 21, 7, 28, 18, 50
Answer: 23.3
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1.
Number
0.084
Answer: 8.4 × 10^-2
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2.
Algebra
Factorise: x² + 2x - 3
Answer: (x + 3)(x - 1)
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3.
Geometry
Hypotenuse = 39cm, angle = 29°. Find adjacent side
Answer: 34.cm
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4.
Ratio
Simplify the ratio 7m:700cm
Answer: 1:100
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5.
Statistics
Calculate the mean of: 34, 47, 32, 35, 24, 35, 42
Answer: 35.6