Change pack
Lintel
Feb 7 - 13
25 questions
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1.
Number
540000
Answer: 5.4 × 105
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2.
Algebra
Factorise: x² - 8x + 15
Answer: (x - 5)(x - 3)
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3.
Geometry
Hypotenuse = 26cm, angle = 54°. Find adjacent side
Answer: 15.3cm
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4.
Ratio
Simplify: 12:9:18
Answer: 4:3:6
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5.
Statistics
The mean of 4 numbers is 34. If 3 of them are 24, 34, 30, what is the missing number?
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1.
Number
19000000
Answer: 1.9 × 107
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2.
Algebra
Factorise: x² - 9x + 20
Answer: (x - 4)(x - 5)
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3.
Geometry
Hypotenuse = 38cm, angle = 26°. Find adjacent side
Answer: 34.2cm
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4.
Ratio
Divide 117 in the ratio 4:4:1
Answer: 52, 52 and 13
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5.
Statistics
The mean of 4 numbers is 24. If 3 of them are 39, 18, 42, what is the missing number?
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1.
Number
0.017
Answer: 1.7 × 10-2
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Adjacent = 15cm, angle = 56°. Find opposite
Answer: 22.2cm
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4.
Ratio
Divide 120 in the ratio 3:3:4
Answer: 36, 36 and 48
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5.
Statistics
Calculate the mean of: 19, 22, 39, 32, 20, 42, 18
Answer: 27.4
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1.
Number
0.00028
Answer: 2.8 × 10-4
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2.
Algebra
Factorise: x² + x - 12
Answer: (x + 4)(x - 3)
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3.
Geometry
Hypotenuse = 36cm, angle = 35°. Find adjacent side
Answer: 29.5cm
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4.
Ratio
Simplify: 20:20:8
Answer: 5:5:2
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5.
Statistics
Calculate the mean of: 14, 24, 22, 29, 48, 34, 48
Answer: 31.3
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1.
Number
790000
Answer: 7.9 × 105
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2.
Algebra
Factorise: x² + 2x - 24
Answer: (x + 6)(x - 4)
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3.
Geometry
Adjacent = 13cm, angle = 48°. Find opposite
Answer: 14.4cm
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4.
Ratio
Express the first part of 5:3 as a fraction in simplest form
Answer: 5⁄8
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5.
Statistics
The mean of 6 numbers is 24. If 5 of them are 22, 17, 18, 49, 49, what is the missing number?
Answer: -11